220831376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{726419}}^1$

素因数の和:726446

約数の個数: 20

約数和(自身を含む): 450380400

約数和(自身を除く): 229549024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 726419, 1452838, 2905676, 5811352, 11622704, 13801961, 27603922, 55207844, 110415688, 220831376]

約数ペア:

[(1, 220831376), (2, 110415688), (4, 55207844), (8, 27603922), (16, 13801961), (19, 11622704), (38, 5811352), (76, 2905676), (152, 1452838), (304, 726419)]