19657923

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1571}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 27113856

約数和(自身を除く): 7455933

約数列:

[1, 3, 43, 97, 129, 291, 1571, 4171, 4713, 12513, 67553, 152387, 202659, 457161, 6552641, 19657923]

約数ペア:

[(1, 19657923), (3, 6552641), (43, 457161), (97, 202659), (129, 152387), (291, 67553), (1571, 12513), (4171, 4713)]