18191020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53503}}^1$

素因数の和:53529

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 22258004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53503, 107006, 214012, 267515, 535030, 909551, 1070060, 1819102, 3638204, 4547755, 9095510, 18191020]

約数ペア:

[(1, 18191020), (2, 9095510), (4, 4547755), (5, 3638204), (10, 1819102), (17, 1070060), (20, 909551), (34, 535030), (68, 267515), (85, 214012), (170, 107006), (340, 53503)]