19676540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75679}}^1$

素因数の和:75701

約数の個数: 24

約数和(自身を含む): 44499840

約数和(自身を除く): 24823300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75679, 151358, 302716, 378395, 756790, 983827, 1513580, 1967654, 3935308, 4919135, 9838270, 19676540]

約数ペア:

[(1, 19676540), (2, 9838270), (4, 4919135), (5, 3935308), (10, 1967654), (13, 1513580), (20, 983827), (26, 756790), (52, 378395), (65, 302716), (130, 151358), (260, 75679)]