18247736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 37329600

約数和(自身を除く): 19081864

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2221, 4108, 4442, 8216, 8884, 17768, 28873, 57746, 115492, 175459, 230984, 350918, 701836, 1403672, 2280967, 4561934, 9123868, 18247736]

約数ペア:

[(1, 18247736), (2, 9123868), (4, 4561934), (8, 2280967), (13, 1403672), (26, 701836), (52, 350918), (79, 230984), (104, 175459), (158, 115492), (316, 57746), (632, 28873), (1027, 17768), (2054, 8884), (2221, 8216), (4108, 4442)]