18858424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1$

素因数の和:4279

約数の個数: 32

約数和(自身を含む): 38974320

約数和(自身を除く): 20115896

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4217, 4472, 8434, 16868, 33736, 54821, 109642, 181331, 219284, 362662, 438568, 725324, 1450648, 2357303, 4714606, 9429212, 18858424]

約数ペア:

[(1, 18858424), (2, 9429212), (4, 4714606), (8, 2357303), (13, 1450648), (26, 725324), (43, 438568), (52, 362662), (86, 219284), (104, 181331), (172, 109642), (344, 54821), (559, 33736), (1118, 16868), (2236, 8434), (4217, 4472)]