19855576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2779

約数の個数: 32

約数和(自身を含む): 40672800

約数和(自身を除く): 20817224

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2689, 3692, 5378, 7384, 10756, 21512, 34957, 69914, 139828, 190919, 279656, 381838, 763676, 1527352, 2481947, 4963894, 9927788, 19855576]

約数ペア:

[(1, 19855576), (2, 9927788), (4, 4963894), (8, 2481947), (13, 1527352), (26, 763676), (52, 381838), (71, 279656), (104, 190919), (142, 139828), (284, 69914), (568, 34957), (923, 21512), (1846, 10756), (2689, 7384), (3692, 5378)]