19629908

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 35019432

約数和(自身を除く): 15389524

約数列:

[1, 2, 4, 113, 137, 226, 274, 317, 452, 548, 634, 1268, 15481, 30962, 35821, 43429, 61924, 71642, 86858, 143284, 173716, 4907477, 9814954, 19629908]

約数ペア:

[(1, 19629908), (2, 9814954), (4, 4907477), (113, 173716), (137, 143284), (226, 86858), (274, 71642), (317, 61924), (452, 43429), (548, 35821), (634, 30962), (1268, 15481)]