19946170

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3581}}^1$

素因数の和:4145

約数の個数: 16

約数和(自身を含む): 35977608

約数和(自身を除く): 16031438

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 3581, 5570, 7162, 17905, 35810, 1994617, 3989234, 9973085, 19946170]

約数ペア:

[(1, 19946170), (2, 9973085), (5, 3989234), (10, 1994617), (557, 35810), (1114, 17905), (2785, 7162), (3581, 5570)]