19657460

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1367}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 41368320

約数和(自身を除く): 21710860

約数列:

[1, 2, 4, 5, 10, 20, 719, 1367, 1438, 2734, 2876, 3595, 5468, 6835, 7190, 13670, 14380, 27340, 982873, 1965746, 3931492, 4914365, 9828730, 19657460]

約数ペア:

[(1, 19657460), (2, 9828730), (4, 4914365), (5, 3931492), (10, 1965746), (20, 982873), (719, 27340), (1367, 14380), (1438, 13670), (2734, 7190), (2876, 6835), (3595, 5468)]