19876180

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1367}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 21951788

約数列:

[1, 2, 4, 5, 10, 20, 727, 1367, 1454, 2734, 2908, 3635, 5468, 6835, 7270, 13670, 14540, 27340, 993809, 1987618, 3975236, 4969045, 9938090, 19876180]

約数ペア:

[(1, 19876180), (2, 9938090), (4, 4969045), (5, 3975236), (10, 1987618), (20, 993809), (727, 27340), (1367, 14540), (1454, 13670), (2734, 7270), (2908, 6835), (3635, 5468)]