19730487

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 31008000

約数和(自身を除く): 11277513

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 1699, 3871, 5097, 11613, 11893, 35679, 83251, 134221, 249753, 402663, 939547, 2818641, 6576829, 19730487]

約数ペア:

[(1, 19730487), (3, 6576829), (7, 2818641), (21, 939547), (49, 402663), (79, 249753), (147, 134221), (237, 83251), (553, 35679), (1659, 11893), (1699, 11613), (3871, 5097)]