20218186

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 30866184

約数和(自身を除く): 10647998

約数列:

[1, 2, 113, 137, 226, 274, 653, 1306, 15481, 30962, 73789, 89461, 147578, 178922, 10109093, 20218186]

約数ペア:

[(1, 20218186), (2, 10109093), (113, 178922), (137, 147578), (226, 89461), (274, 73789), (653, 30962), (1306, 15481)]