19881310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48491}}^1$

素因数の和:48539

約数の個数: 16

約数和(自身を含む): 36659952

約数和(自身を除く): 16778642

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48491, 96982, 242455, 484910, 1988131, 3976262, 9940655, 19881310]

約数ペア:

[(1, 19881310), (2, 9940655), (5, 3976262), (10, 1988131), (41, 484910), (82, 242455), (205, 96982), (410, 48491)]