18380020

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5503}}^1$

素因数の和:5679

約数の個数: 24

約数和(自身を含む): 38836224

約数和(自身を除く): 20456204

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5503, 11006, 22012, 27515, 55030, 110060, 919001, 1838002, 3676004, 4595005, 9190010, 18380020]

約数ペア:

[(1, 18380020), (2, 9190010), (4, 4595005), (5, 3676004), (10, 1838002), (20, 919001), (167, 110060), (334, 55030), (668, 27515), (835, 22012), (1670, 11006), (3340, 5503)]