19943287047

素因数分解:

$3^3\times {\mathrm{35747}}^1\times {\mathrm{20663}}^1$

素因数の和:56419

約数の個数: 16

約数和(自身を含む): 29547866880

約数和(自身を除く): 9604579833

約数列:

[1, 3, 9, 27, 20663, 35747, 61989, 107241, 185967, 321723, 557901, 965169, 738640261, 2215920783, 6647762349, 19943287047]

約数ペア:

[(1, 19943287047), (3, 6647762349), (9, 2215920783), (27, 738640261), (20663, 965169), (35747, 557901), (61989, 321723), (107241, 185967)]