19131789

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 26389440

約数和(自身を除く): 7257651

約数列:

[1, 3, 41, 109, 123, 327, 1427, 4281, 4469, 13407, 58507, 155543, 175521, 466629, 6377263, 19131789]

約数ペア:

[(1, 19131789), (3, 6377263), (41, 466629), (109, 175521), (123, 155543), (327, 58507), (1427, 13407), (4281, 4469)]