18230960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20717}}^1$

素因数の和:20741

約数の個数: 40

約数和(自身を含む): 46242576

約数和(自身を除く): 28011616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20717, 41434, 82868, 103585, 165736, 207170, 227887, 331472, 414340, 455774, 828680, 911548, 1139435, 1657360, 1823096, 2278870, 3646192, 4557740, 9115480, 18230960]

約数ペア:

[(1, 18230960), (2, 9115480), (4, 4557740), (5, 3646192), (8, 2278870), (10, 1823096), (11, 1657360), (16, 1139435), (20, 911548), (22, 828680), (40, 455774), (44, 414340), (55, 331472), (80, 227887), (88, 207170), (110, 165736), (176, 103585), (220, 82868), (440, 41434), (880, 20717)]