19800558

素因数分解:

$2^1\times 3^3\times {\mathrm{366677}}^1$

素因数の和:366688

約数の個数: 16

約数和(自身を含む): 44001360

約数和(自身を除く): 24200802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 366677, 733354, 1100031, 2200062, 3300093, 6600186, 9900279, 19800558]

約数ペア:

[(1, 19800558), (2, 9900279), (3, 6600186), (6, 3300093), (9, 2200062), (18, 1100031), (27, 733354), (54, 366677)]