18885711

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5441}}^1$

素因数の和:5546

約数の個数: 16

約数和(自身を含む): 27427680

約数和(自身を除く): 8541969

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 5441, 16323, 70733, 212199, 484249, 1452747, 6295237, 18885711]

約数ペア:

[(1, 18885711), (3, 6295237), (13, 1452747), (39, 484249), (89, 212199), (267, 70733), (1157, 16323), (3471, 5441)]