18216368

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19281232

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 839, 944, 1357, 1678, 2714, 3356, 5428, 6712, 10856, 13424, 19297, 21712, 38594, 49501, 77188, 99002, 154376, 198004, 308752, 396008, 792016, 1138523, 2277046, 4554092, 9108184, 18216368]

約数ペア:

[(1, 18216368), (2, 9108184), (4, 4554092), (8, 2277046), (16, 1138523), (23, 792016), (46, 396008), (59, 308752), (92, 198004), (118, 154376), (184, 99002), (236, 77188), (368, 49501), (472, 38594), (839, 21712), (944, 19297), (1357, 13424), (1678, 10856), (2714, 6712), (3356, 5428)]