18318040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35227}}^1$

素因数の和:35251

約数の個数: 32

約数和(自身を含む): 44387280

約数和(自身を除く): 26069240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35227, 70454, 140908, 176135, 281816, 352270, 457951, 704540, 915902, 1409080, 1831804, 2289755, 3663608, 4579510, 9159020, 18318040]

約数ペア:

[(1, 18318040), (2, 9159020), (4, 4579510), (5, 3663608), (8, 2289755), (10, 1831804), (13, 1409080), (20, 915902), (26, 704540), (40, 457951), (52, 352270), (65, 281816), (104, 176135), (130, 140908), (260, 70454), (520, 35227)]