19968506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30911}}^1$

素因数の和:30949

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 13416454

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 30911, 61822, 525487, 587309, 1050974, 1174618, 9984253, 19968506]

約数ペア:

[(1, 19968506), (2, 9984253), (17, 1174618), (19, 1050974), (34, 587309), (38, 525487), (323, 61822), (646, 30911)]