18208460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47917}}^1$

素因数の和:47945

約数の個数: 24

約数和(自身を含む): 40251120

約数和(自身を除く): 22042660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47917, 95834, 191668, 239585, 479170, 910423, 958340, 1820846, 3641692, 4552115, 9104230, 18208460]

約数ペア:

[(1, 18208460), (2, 9104230), (4, 4552115), (5, 3641692), (10, 1820846), (19, 958340), (20, 910423), (38, 479170), (76, 239585), (95, 191668), (190, 95834), (380, 47917)]