19665833

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 22234560

約数和(自身を除く): 2568727

約数列:

[1, 11, 37, 211, 229, 407, 2321, 2519, 7807, 8473, 48319, 85877, 93203, 531509, 1787803, 19665833]

約数ペア:

[(1, 19665833), (11, 1787803), (37, 531509), (211, 93203), (229, 85877), (407, 48319), (2321, 8473), (2519, 7807)]