18491220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 63456960

約数和(自身を除く): 44965740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 283, 297, 330, 363, 396, 484, 495, 540, 566, 594, 605, 660, 726, 849, 990, 1089, 1132, 1188, 1210, 1415, 1452, 1485, 1698, 1815, 1980, 2178, 2420, 2547, 2830, 2970, 3113, 3267, 3396, 3630, 4245, 4356, 5094, 5445, 5660, 5940, 6226, 6534, 7260, 7641, 8490, 9339, 10188, 10890, 12452, 12735, 13068, 15282, 15565, 16335, 16980, 18678, 21780, 25470, 28017, 30564, 31130, 32670, 34243, 37356, 38205, 46695, 50940, 56034, 62260, 65340, 68486, 76410, 84051, 93390, 102729, 112068, 136972, 140085, 152820, 168102, 171215, 186780, 205458, 280170, 308187, 336204, 342430, 410916, 420255, 513645, 560340, 616374, 684860, 840510, 924561, 1027290, 1232748, 1540935, 1681020, 1849122, 2054580, 3081870, 3698244, 4622805, 6163740, 9245610, 18491220]

約数ペア:

[(1, 18491220), (2, 9245610), (3, 6163740), (4, 4622805), (5, 3698244), (6, 3081870), (9, 2054580), (10, 1849122), (11, 1681020), (12, 1540935), (15, 1232748), (18, 1027290), (20, 924561), (22, 840510), (27, 684860), (30, 616374), (33, 560340), (36, 513645), (44, 420255), (45, 410916), (54, 342430), (55, 336204), (60, 308187), (66, 280170), (90, 205458), (99, 186780), (108, 171215), (110, 168102), (121, 152820), (132, 140085), (135, 136972), (165, 112068), (180, 102729), (198, 93390), (220, 84051), (242, 76410), (270, 68486), (283, 65340), (297, 62260), (330, 56034), (363, 50940), (396, 46695), (484, 38205), (495, 37356), (540, 34243), (566, 32670), (594, 31130), (605, 30564), (660, 28017), (726, 25470), (849, 21780), (990, 18678), (1089, 16980), (1132, 16335), (1188, 15565), (1210, 15282), (1415, 13068), (1452, 12735), (1485, 12452), (1698, 10890), (1815, 10188), (1980, 9339), (2178, 8490), (2420, 7641), (2547, 7260), (2830, 6534), (2970, 6226), (3113, 5940), (3267, 5660), (3396, 5445), (3630, 5094), (4245, 4356)]