18199928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 36398160

約数和(自身を除く): 18198232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 821, 1304, 1642, 2771, 3284, 5542, 6568, 11084, 13957, 22168, 27914, 55828, 111656, 133823, 267646, 535292, 1070584, 2274991, 4549982, 9099964, 18199928]

約数ペア:

[(1, 18199928), (2, 9099964), (4, 4549982), (8, 2274991), (17, 1070584), (34, 535292), (68, 267646), (136, 133823), (163, 111656), (326, 55828), (652, 27914), (821, 22168), (1304, 13957), (1642, 11084), (2771, 6568), (3284, 5542)]