19485609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 11649495

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 857, 1749, 2067, 2571, 7579, 9427, 11141, 22737, 28281, 33423, 45421, 122551, 136263, 367653, 499631, 590473, 1498893, 1771419, 6495203, 19485609]

約数ペア:

[(1, 19485609), (3, 6495203), (11, 1771419), (13, 1498893), (33, 590473), (39, 499631), (53, 367653), (143, 136263), (159, 122551), (429, 45421), (583, 33423), (689, 28281), (857, 22737), (1749, 11141), (2067, 9427), (2571, 7579)]