19939797

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11855403

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 423, 513, 827, 893, 1269, 2481, 2679, 7443, 8037, 15713, 22329, 24111, 38869, 47139, 116607, 141417, 349821, 424251, 738511, 1049463, 2215533, 6646599, 19939797]

約数ペア:

[(1, 19939797), (3, 6646599), (9, 2215533), (19, 1049463), (27, 738511), (47, 424251), (57, 349821), (141, 141417), (171, 116607), (423, 47139), (513, 38869), (827, 24111), (893, 22329), (1269, 15713), (2481, 8037), (2679, 7443)]