18774768

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2161}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 48792016

約数和(自身を除く): 30017248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2161, 2172, 2896, 4322, 4344, 6483, 8644, 8688, 12966, 17288, 25932, 34576, 51864, 103728, 391141, 782282, 1173423, 1564564, 2346846, 3129128, 4693692, 6258256, 9387384, 18774768]

約数ペア:

[(1, 18774768), (2, 9387384), (3, 6258256), (4, 4693692), (6, 3129128), (8, 2346846), (12, 1564564), (16, 1173423), (24, 782282), (48, 391141), (181, 103728), (362, 51864), (543, 34576), (724, 25932), (1086, 17288), (1448, 12966), (2161, 8688), (2172, 8644), (2896, 6483), (4322, 4344)]