18203243264

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{3797}}^1$

素因数の和:4181

約数の個数: 72

約数和(自身を含む): 37061096688

約数和(自身を除く): 18857853424

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 307, 488, 614, 976, 1228, 1952, 2456, 3797, 3904, 4912, 7594, 7808, 9824, 15188, 15616, 18727, 19648, 30376, 37454, 39296, 60752, 74908, 78592, 121504, 149816, 231617, 243008, 299632, 463234, 486016, 599264, 926468, 972032, 1165679, 1198528, 1852936, 2331358, 2397056, 3705872, 4662716, 4794112, 7411744, 9325432, 14823488, 18650864, 29646976, 37301728, 59293952, 71106419, 74603456, 142212838, 149206912, 284425676, 298413824, 568851352, 1137702704, 2275405408, 4550810816, 9101621632, 18203243264]

約数ペア:

[(1, 18203243264), (2, 9101621632), (4, 4550810816), (8, 2275405408), (16, 1137702704), (32, 568851352), (61, 298413824), (64, 284425676), (122, 149206912), (128, 142212838), (244, 74603456), (256, 71106419), (307, 59293952), (488, 37301728), (614, 29646976), (976, 18650864), (1228, 14823488), (1952, 9325432), (2456, 7411744), (3797, 4794112), (3904, 4662716), (4912, 3705872), (7594, 2397056), (7808, 2331358), (9824, 1852936), (15188, 1198528), (15616, 1165679), (18727, 972032), (19648, 926468), (30376, 599264), (37454, 486016), (39296, 463234), (60752, 299632), (74908, 243008), (78592, 231617), (121504, 149816)]