18239632

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 36499896

約数和(自身を除く): 18260264

約数列:

[1, 2, 4, 8, 16, 53, 106, 137, 157, 212, 274, 314, 424, 548, 628, 848, 1096, 1256, 2192, 2512, 7261, 8321, 14522, 16642, 21509, 29044, 33284, 43018, 58088, 66568, 86036, 116176, 133136, 172072, 344144, 1139977, 2279954, 4559908, 9119816, 18239632]

約数ペア:

[(1, 18239632), (2, 9119816), (4, 4559908), (8, 2279954), (16, 1139977), (53, 344144), (106, 172072), (137, 133136), (157, 116176), (212, 86036), (274, 66568), (314, 58088), (424, 43018), (548, 33284), (628, 29044), (848, 21509), (1096, 16642), (1256, 14522), (2192, 8321), (2512, 7261)]