18019787

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 19559232

約数和(自身を除く): 1539445

約数列:

[1, 23, 41, 97, 197, 943, 2231, 3977, 4531, 8077, 19109, 91471, 185771, 439507, 783469, 18019787]

約数ペア:

[(1, 18019787), (23, 783469), (41, 439507), (97, 185771), (197, 91471), (943, 19109), (2231, 8077), (3977, 4531)]