18866487

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3719}}^1$

素因数の和:3830

約数の個数: 16

約数和(自身を含む): 26784000

約数和(自身を除く): 7917513

約数列:

[1, 3, 19, 57, 89, 267, 1691, 3719, 5073, 11157, 70661, 211983, 330991, 992973, 6288829, 18866487]

約数ペア:

[(1, 18866487), (3, 6288829), (19, 992973), (57, 330991), (89, 211983), (267, 70661), (1691, 11157), (3719, 5073)]