19308980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5923}}^1$

素因数の和:6095

約数の個数: 24

約数和(自身を含む): 40804512

約数和(自身を除く): 21495532

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5923, 11846, 23692, 29615, 59230, 118460, 965449, 1930898, 3861796, 4827245, 9654490, 19308980]

約数ペア:

[(1, 19308980), (2, 9654490), (4, 4827245), (5, 3861796), (10, 1930898), (20, 965449), (163, 118460), (326, 59230), (652, 29615), (815, 23692), (1630, 11846), (3260, 5923)]