18640710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1034

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 37070010

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 165, 171, 190, 198, 209, 285, 330, 342, 418, 495, 570, 627, 855, 990, 991, 1045, 1254, 1710, 1881, 1982, 2090, 2973, 3135, 3762, 4955, 5946, 6270, 8919, 9405, 9910, 10901, 14865, 17838, 18810, 18829, 21802, 29730, 32703, 37658, 44595, 54505, 56487, 65406, 89190, 94145, 98109, 109010, 112974, 163515, 169461, 188290, 196218, 207119, 282435, 327030, 338922, 414238, 490545, 564870, 621357, 847305, 981090, 1035595, 1242714, 1694610, 1864071, 2071190, 3106785, 3728142, 6213570, 9320355, 18640710]

約数ペア:

[(1, 18640710), (2, 9320355), (3, 6213570), (5, 3728142), (6, 3106785), (9, 2071190), (10, 1864071), (11, 1694610), (15, 1242714), (18, 1035595), (19, 981090), (22, 847305), (30, 621357), (33, 564870), (38, 490545), (45, 414238), (55, 338922), (57, 327030), (66, 282435), (90, 207119), (95, 196218), (99, 188290), (110, 169461), (114, 163515), (165, 112974), (171, 109010), (190, 98109), (198, 94145), (209, 89190), (285, 65406), (330, 56487), (342, 54505), (418, 44595), (495, 37658), (570, 32703), (627, 29730), (855, 21802), (990, 18829), (991, 18810), (1045, 17838), (1254, 14865), (1710, 10901), (1881, 9910), (1982, 9405), (2090, 8919), (2973, 6270), (3135, 5946), (3762, 4955)]