19798735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12413}}^1$

素因数の和:12458

約数の個数: 16

約数和(自身を含む): 26814240

約数和(自身を除く): 7015505

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12413, 62065, 136543, 359977, 682715, 1799885, 3959747, 19798735]

約数ペア:

[(1, 19798735), (5, 3959747), (11, 1799885), (29, 682715), (55, 359977), (145, 136543), (319, 62065), (1595, 12413)]