19551020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57503}}^1$

素因数の和:57529

約数の個数: 24

約数和(自身を含む): 43473024

約数和(自身を除く): 23922004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57503, 115006, 230012, 287515, 575030, 977551, 1150060, 1955102, 3910204, 4887755, 9775510, 19551020]

約数ペア:

[(1, 19551020), (2, 9775510), (4, 4887755), (5, 3910204), (10, 1955102), (17, 1150060), (20, 977551), (34, 575030), (68, 287515), (85, 230012), (170, 115006), (340, 57503)]