19929819

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10429}}^1$

素因数の和:10459

約数の個数: 24

約数和(自身を含む): 33292560

約数和(自身を除く): 13362741

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10429, 31287, 73003, 135577, 219009, 406731, 511021, 949039, 1533063, 2847117, 6643273, 19929819]

約数ペア:

[(1, 19929819), (3, 6643273), (7, 2847117), (13, 1533063), (21, 949039), (39, 511021), (49, 406731), (91, 219009), (147, 135577), (273, 73003), (637, 31287), (1911, 10429)]