18860120

素因数分解:

$2^3\times 5^1\times {\mathrm{471503}}^1$

素因数の和:471514

約数の個数: 16

約数和(自身を含む): 42435360

約数和(自身を除く): 23575240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471503, 943006, 1886012, 2357515, 3772024, 4715030, 9430060, 18860120]

約数ペア:

[(1, 18860120), (2, 9430060), (4, 4715030), (5, 3772024), (8, 2357515), (10, 1886012), (20, 943006), (40, 471503)]