19981310

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8291}}^1$

素因数の和:8539

約数の個数: 16

約数和(自身を含む): 36119952

約数和(自身を除く): 16138642

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 8291, 16582, 41455, 82910, 1998131, 3996262, 9990655, 19981310]

約数ペア:

[(1, 19981310), (2, 9990655), (5, 3996262), (10, 1998131), (241, 82910), (482, 41455), (1205, 16582), (2410, 8291)]