19420814

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22741}}^1$

素因数の和:22811

約数の個数: 16

約数和(自身を含む): 33840096

約数和(自身を除く): 14419282

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 22741, 45482, 159187, 318374, 1387201, 2774402, 9710407, 19420814]

約数ペア:

[(1, 19420814), (2, 9710407), (7, 2774402), (14, 1387201), (61, 318374), (122, 159187), (427, 45482), (854, 22741)]