19409668

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 34675200

約数和(自身を除く): 15265532

約数列:

[1, 2, 4, 79, 158, 239, 257, 316, 478, 514, 956, 1028, 18881, 20303, 37762, 40606, 61423, 75524, 81212, 122846, 245692, 4852417, 9704834, 19409668]

約数ペア:

[(1, 19409668), (2, 9704834), (4, 4852417), (79, 245692), (158, 122846), (239, 81212), (257, 75524), (316, 61423), (478, 40606), (514, 37762), (956, 20303), (1028, 18881)]