19846642

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 30299832

約数和(自身を除く): 10453190

約数列:

[1, 2, 113, 137, 226, 274, 641, 1282, 15481, 30962, 72433, 87817, 144866, 175634, 9923321, 19846642]

約数ペア:

[(1, 19846642), (2, 9923321), (113, 175634), (137, 144866), (226, 87817), (274, 72433), (641, 30962), (1282, 15481)]