18081856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 56

約数和(自身を含む): 39201344

約数和(自身を除く): 21119488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 206, 208, 211, 412, 416, 422, 824, 832, 844, 1339, 1648, 1688, 2678, 2743, 3296, 3376, 5356, 5486, 6592, 6752, 10712, 10972, 13504, 21424, 21733, 21944, 42848, 43466, 43888, 85696, 86932, 87776, 173864, 175552, 282529, 347728, 565058, 695456, 1130116, 1390912, 2260232, 4520464, 9040928, 18081856]

約数ペア:

[(1, 18081856), (2, 9040928), (4, 4520464), (8, 2260232), (13, 1390912), (16, 1130116), (26, 695456), (32, 565058), (52, 347728), (64, 282529), (103, 175552), (104, 173864), (206, 87776), (208, 86932), (211, 85696), (412, 43888), (416, 43466), (422, 42848), (824, 21944), (832, 21733), (844, 21424), (1339, 13504), (1648, 10972), (1688, 10712), (2678, 6752), (2743, 6592), (3296, 5486), (3376, 5356)]