18000845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 22277808

約数和(自身を除く): 4276963

約数列:

[1, 5, 41, 205, 277, 317, 1385, 1585, 11357, 12997, 56785, 64985, 87809, 439045, 3600169, 18000845]

約数ペア:

[(1, 18000845), (5, 3600169), (41, 439045), (205, 87809), (277, 64985), (317, 56785), (1385, 12997), (1585, 11357)]