19819318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12721}}^1$

素因数の和:12783

約数の個数: 16

約数和(自身を含む): 32059440

約数和(自身を除く): 12240122

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12721, 25442, 241699, 483398, 521561, 1043122, 9909659, 19819318]

約数ペア:

[(1, 19819318), (2, 9909659), (19, 1043122), (38, 521561), (41, 483398), (82, 241699), (779, 25442), (1558, 12721)]