19520798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2281}}^1$

素因数の和:2683

約数の個数: 16

約数和(自身を含む): 32039280

約数和(自身を除く): 12518482

約数列:

[1, 2, 11, 22, 389, 778, 2281, 4279, 4562, 8558, 25091, 50182, 887309, 1774618, 9760399, 19520798]

約数ペア:

[(1, 19520798), (2, 9760399), (11, 1774618), (22, 887309), (389, 50182), (778, 25091), (2281, 8558), (4279, 4562)]