19472765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6967}}^1$

素因数の和:7028

約数の個数: 16

約数和(自身を含む): 25753728

約数和(自身を除く): 6280963

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6967, 34835, 90571, 299581, 452855, 1497905, 3894553, 19472765]

約数ペア:

[(1, 19472765), (5, 3894553), (13, 1497905), (43, 452855), (65, 299581), (215, 90571), (559, 34835), (2795, 6967)]