18395728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1499}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 20664272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1499, 1534, 2998, 3068, 5996, 6136, 11992, 12272, 19487, 23984, 38974, 77948, 88441, 155896, 176882, 311792, 353764, 707528, 1149733, 1415056, 2299466, 4598932, 9197864, 18395728]

約数ペア:

[(1, 18395728), (2, 9197864), (4, 4598932), (8, 2299466), (13, 1415056), (16, 1149733), (26, 707528), (52, 353764), (59, 311792), (104, 176882), (118, 155896), (208, 88441), (236, 77948), (472, 38974), (767, 23984), (944, 19487), (1499, 12272), (1534, 11992), (2998, 6136), (3068, 5996)]