19498438

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1319

約数の個数: 16

約数和(自身を含む): 29970000

約数和(自身を除く): 10471562

約数列:

[1, 2, 59, 118, 149, 298, 1109, 2218, 8791, 17582, 65431, 130862, 165241, 330482, 9749219, 19498438]

約数ペア:

[(1, 19498438), (2, 9749219), (59, 330482), (118, 165241), (149, 130862), (298, 65431), (1109, 17582), (2218, 8791)]