19955342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1741}}^1$

素因数の和:2275

約数の個数: 16

約数和(自身を含む): 32735664

約数和(自身を除く): 12780322

約数列:

[1, 2, 11, 22, 521, 1042, 1741, 3482, 5731, 11462, 19151, 38302, 907061, 1814122, 9977671, 19955342]

約数ペア:

[(1, 19955342), (2, 9977671), (11, 1814122), (22, 907061), (521, 38302), (1042, 19151), (1741, 11462), (3482, 5731)]