18764460

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:57

約数の個数: 216

約数和(自身を含む): 69438096

約数和(自身を除く): 50673636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 81, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 162, 165, 180, 195, 198, 220, 234, 243, 260, 270, 286, 297, 324, 330, 351, 390, 396, 405, 429, 468, 486, 495, 540, 572, 585, 594, 660, 702, 715, 729, 780, 810, 858, 891, 972, 990, 1053, 1170, 1188, 1215, 1287, 1404, 1430, 1458, 1485, 1620, 1716, 1755, 1782, 1980, 2106, 2145, 2187, 2340, 2430, 2574, 2673, 2860, 2916, 2970, 3159, 3510, 3564, 3645, 3861, 4212, 4290, 4374, 4455, 4860, 5148, 5265, 5346, 5940, 6318, 6435, 6561, 7020, 7290, 7722, 8019, 8580, 8748, 8910, 9477, 10530, 10692, 10935, 11583, 12636, 12870, 13122, 13365, 14580, 15444, 15795, 16038, 17820, 18954, 19305, 21060, 21870, 23166, 24057, 25740, 26244, 26730, 28431, 31590, 32076, 32805, 34749, 37908, 38610, 40095, 43740, 46332, 47385, 48114, 53460, 56862, 57915, 63180, 65610, 69498, 72171, 77220, 80190, 85293, 94770, 96228, 104247, 113724, 115830, 120285, 131220, 138996, 142155, 144342, 160380, 170586, 173745, 189540, 208494, 231660, 240570, 284310, 288684, 312741, 341172, 347490, 360855, 416988, 426465, 481140, 521235, 568620, 625482, 694980, 721710, 852930, 938223, 1042470, 1250964, 1443420, 1563705, 1705860, 1876446, 2084940, 3127410, 3752892, 4691115, 6254820, 9382230, 18764460]

約数ペア:

[(1, 18764460), (2, 9382230), (3, 6254820), (4, 4691115), (5, 3752892), (6, 3127410), (9, 2084940), (10, 1876446), (11, 1705860), (12, 1563705), (13, 1443420), (15, 1250964), (18, 1042470), (20, 938223), (22, 852930), (26, 721710), (27, 694980), (30, 625482), (33, 568620), (36, 521235), (39, 481140), (44, 426465), (45, 416988), (52, 360855), (54, 347490), (55, 341172), (60, 312741), (65, 288684), (66, 284310), (78, 240570), (81, 231660), (90, 208494), (99, 189540), (108, 173745), (110, 170586), (117, 160380), (130, 144342), (132, 142155), (135, 138996), (143, 131220), (156, 120285), (162, 115830), (165, 113724), (180, 104247), (195, 96228), (198, 94770), (220, 85293), (234, 80190), (243, 77220), (260, 72171), (270, 69498), (286, 65610), (297, 63180), (324, 57915), (330, 56862), (351, 53460), (390, 48114), (396, 47385), (405, 46332), (429, 43740), (468, 40095), (486, 38610), (495, 37908), (540, 34749), (572, 32805), (585, 32076), (594, 31590), (660, 28431), (702, 26730), (715, 26244), (729, 25740), (780, 24057), (810, 23166), (858, 21870), (891, 21060), (972, 19305), (990, 18954), (1053, 17820), (1170, 16038), (1188, 15795), (1215, 15444), (1287, 14580), (1404, 13365), (1430, 13122), (1458, 12870), (1485, 12636), (1620, 11583), (1716, 10935), (1755, 10692), (1782, 10530), (1980, 9477), (2106, 8910), (2145, 8748), (2187, 8580), (2340, 8019), (2430, 7722), (2574, 7290), (2673, 7020), (2860, 6561), (2916, 6435), (2970, 6318), (3159, 5940), (3510, 5346), (3564, 5265), (3645, 5148), (3861, 4860), (4212, 4455), (4290, 4374)]