18948212244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{861439}}^1$

素因数の和:861509

約数の個数: 72

約数和(自身を含む): 52678778880

約数和(自身を除く): 33730566636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3666, 5499, 7332, 10998, 21996, 861439, 1722878, 2584317, 3445756, 5168634, 7752951, 10337268, 11198707, 15505902, 22397414, 31011804, 33596121, 40487633, 44794828, 67192242, 80975266, 100788363, 121462899, 134384484, 161950532, 201576726, 242925798, 364388697, 403153452, 485851596, 526339229, 728777394, 1052678458, 1457554788, 1579017687, 2105356916, 3158035374, 4737053061, 6316070748, 9474106122, 18948212244]

約数ペア:

[(1, 18948212244), (2, 9474106122), (3, 6316070748), (4, 4737053061), (6, 3158035374), (9, 2105356916), (12, 1579017687), (13, 1457554788), (18, 1052678458), (26, 728777394), (36, 526339229), (39, 485851596), (47, 403153452), (52, 364388697), (78, 242925798), (94, 201576726), (117, 161950532), (141, 134384484), (156, 121462899), (188, 100788363), (234, 80975266), (282, 67192242), (423, 44794828), (468, 40487633), (564, 33596121), (611, 31011804), (846, 22397414), (1222, 15505902), (1692, 11198707), (1833, 10337268), (2444, 7752951), (3666, 5168634), (5499, 3445756), (7332, 2584317), (10998, 1722878), (21996, 861439)]