19917106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{2609}}^1$

素因数の和:2969

約数の個数: 16

約数和(自身を含む): 32698080

約数和(自身を除く): 12780974

約数列:

[1, 2, 11, 22, 347, 694, 2609, 3817, 5218, 7634, 28699, 57398, 905323, 1810646, 9958553, 19917106]

約数ペア:

[(1, 19917106), (2, 9958553), (11, 1810646), (22, 905323), (347, 57398), (694, 28699), (2609, 7634), (3817, 5218)]