18191656

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{577}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 39119040

約数和(自身を除く): 20927384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 577, 1126, 1154, 2252, 2308, 3941, 4039, 4504, 4616, 7882, 8078, 15764, 16156, 31528, 32312, 324851, 649702, 1299404, 2273957, 2598808, 4547914, 9095828, 18191656]

約数ペア:

[(1, 18191656), (2, 9095828), (4, 4547914), (7, 2598808), (8, 2273957), (14, 1299404), (28, 649702), (56, 324851), (563, 32312), (577, 31528), (1126, 16156), (1154, 15764), (2252, 8078), (2308, 7882), (3941, 4616), (4039, 4504)]