18474664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 37485000

約数和(自身を除く): 19010336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 349, 509, 698, 1018, 1396, 2036, 2792, 4072, 4537, 6617, 9074, 13234, 18148, 26468, 36296, 52936, 177641, 355282, 710564, 1421128, 2309333, 4618666, 9237332, 18474664]

約数ペア:

[(1, 18474664), (2, 9237332), (4, 4618666), (8, 2309333), (13, 1421128), (26, 710564), (52, 355282), (104, 177641), (349, 52936), (509, 36296), (698, 26468), (1018, 18148), (1396, 13234), (2036, 9074), (2792, 6617), (4072, 4537)]