19956066

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255847}}^1$

素因数の和:255865

約数の個数: 16

約数和(自身を含む): 42982464

約数和(自身を除く): 23026398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255847, 511694, 767541, 1535082, 3326011, 6652022, 9978033, 19956066]

約数ペア:

[(1, 19956066), (2, 9978033), (3, 6652022), (6, 3326011), (13, 1535082), (26, 767541), (39, 511694), (78, 255847)]