19994886

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{20959}}^1$

素因数の和:21020

約数の個数: 24

約数和(自身を含む): 44141760

約数和(自身を除く): 24146874

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 20959, 41918, 62877, 125754, 188631, 377262, 1110827, 2221654, 3332481, 6664962, 9997443, 19994886]

約数ペア:

[(1, 19994886), (2, 9997443), (3, 6664962), (6, 3332481), (9, 2221654), (18, 1110827), (53, 377262), (106, 188631), (159, 125754), (318, 62877), (477, 41918), (954, 20959)]