18621900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 270

約数和(自身を含む): 69843620

約数和(自身を除く): 51221720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 25, 27, 30, 33, 36, 38, 44, 45, 50, 54, 55, 57, 60, 66, 75, 76, 81, 90, 95, 99, 100, 108, 110, 114, 121, 132, 135, 150, 162, 165, 171, 180, 190, 198, 209, 220, 225, 228, 242, 270, 275, 285, 297, 300, 324, 330, 342, 363, 380, 396, 405, 418, 450, 475, 484, 495, 513, 540, 550, 570, 594, 605, 627, 660, 675, 684, 726, 810, 825, 836, 855, 891, 900, 950, 990, 1026, 1045, 1089, 1100, 1140, 1188, 1210, 1254, 1350, 1425, 1452, 1485, 1539, 1620, 1650, 1710, 1782, 1815, 1881, 1900, 1980, 2025, 2052, 2090, 2178, 2299, 2420, 2475, 2508, 2565, 2700, 2850, 2970, 3025, 3078, 3135, 3267, 3300, 3420, 3564, 3630, 3762, 4050, 4180, 4275, 4356, 4455, 4598, 4950, 5130, 5225, 5445, 5643, 5700, 5940, 6050, 6156, 6270, 6534, 6897, 7260, 7425, 7524, 7695, 8100, 8550, 8910, 9075, 9196, 9405, 9801, 9900, 10260, 10450, 10890, 11286, 11495, 12100, 12540, 12825, 13068, 13794, 14850, 15390, 15675, 16335, 16929, 17100, 17820, 18150, 18810, 19602, 20691, 20900, 21780, 22275, 22572, 22990, 25650, 27225, 27588, 28215, 29700, 30780, 31350, 32670, 33858, 34485, 36300, 37620, 38475, 39204, 41382, 44550, 45980, 47025, 49005, 51300, 54450, 56430, 57475, 62073, 62700, 65340, 67716, 68970, 76950, 81675, 82764, 84645, 89100, 94050, 98010, 103455, 108900, 112860, 114950, 124146, 137940, 141075, 153900, 163350, 169290, 172425, 186219, 188100, 196020, 206910, 229900, 245025, 248292, 282150, 310365, 326700, 338580, 344850, 372438, 413820, 423225, 490050, 517275, 564300, 620730, 689700, 744876, 846450, 931095, 980100, 1034550, 1241460, 1551825, 1692900, 1862190, 2069100, 3103650, 3724380, 4655475, 6207300, 9310950, 18621900]

約数ペア:

[(1, 18621900), (2, 9310950), (3, 6207300), (4, 4655475), (5, 3724380), (6, 3103650), (9, 2069100), (10, 1862190), (11, 1692900), (12, 1551825), (15, 1241460), (18, 1034550), (19, 980100), (20, 931095), (22, 846450), (25, 744876), (27, 689700), (30, 620730), (33, 564300), (36, 517275), (38, 490050), (44, 423225), (45, 413820), (50, 372438), (54, 344850), (55, 338580), (57, 326700), (60, 310365), (66, 282150), (75, 248292), (76, 245025), (81, 229900), (90, 206910), (95, 196020), (99, 188100), (100, 186219), (108, 172425), (110, 169290), (114, 163350), (121, 153900), (132, 141075), (135, 137940), (150, 124146), (162, 114950), (165, 112860), (171, 108900), (180, 103455), (190, 98010), (198, 94050), (209, 89100), (220, 84645), (225, 82764), (228, 81675), (242, 76950), (270, 68970), (275, 67716), (285, 65340), (297, 62700), (300, 62073), (324, 57475), (330, 56430), (342, 54450), (363, 51300), (380, 49005), (396, 47025), (405, 45980), (418, 44550), (450, 41382), (475, 39204), (484, 38475), (495, 37620), (513, 36300), (540, 34485), (550, 33858), (570, 32670), (594, 31350), (605, 30780), (627, 29700), (660, 28215), (675, 27588), (684, 27225), (726, 25650), (810, 22990), (825, 22572), (836, 22275), (855, 21780), (891, 20900), (900, 20691), (950, 19602), (990, 18810), (1026, 18150), (1045, 17820), (1089, 17100), (1100, 16929), (1140, 16335), (1188, 15675), (1210, 15390), (1254, 14850), (1350, 13794), (1425, 13068), (1452, 12825), (1485, 12540), (1539, 12100), (1620, 11495), (1650, 11286), (1710, 10890), (1782, 10450), (1815, 10260), (1881, 9900), (1900, 9801), (1980, 9405), (2025, 9196), (2052, 9075), (2090, 8910), (2178, 8550), (2299, 8100), (2420, 7695), (2475, 7524), (2508, 7425), (2565, 7260), (2700, 6897), (2850, 6534), (2970, 6270), (3025, 6156), (3078, 6050), (3135, 5940), (3267, 5700), (3300, 5643), (3420, 5445), (3564, 5225), (3630, 5130), (3762, 4950), (4050, 4598), (4180, 4455), (4275, 4356)]