19607620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51599}}^1$

素因数の和:51627

約数の個数: 24

約数和(自身を含む): 43344000

約数和(自身を除く): 23736380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51599, 103198, 206396, 257995, 515990, 980381, 1031980, 1960762, 3921524, 4901905, 9803810, 19607620]

約数ペア:

[(1, 19607620), (2, 9803810), (4, 4901905), (5, 3921524), (10, 1960762), (19, 1031980), (20, 980381), (38, 515990), (76, 257995), (95, 206396), (190, 103198), (380, 51599)]