19417672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 39143520

約数和(自身を除く): 19725848

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2131, 2278, 4262, 4556, 8524, 9112, 17048, 36227, 72454, 142777, 144908, 285554, 289816, 571108, 1142216, 2427209, 4854418, 9708836, 19417672]

約数ペア:

[(1, 19417672), (2, 9708836), (4, 4854418), (8, 2427209), (17, 1142216), (34, 571108), (67, 289816), (68, 285554), (134, 144908), (136, 142777), (268, 72454), (536, 36227), (1139, 17048), (2131, 9112), (2278, 8524), (4262, 4556)]