18331980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{305533}}^1$

素因数の和:305545

約数の個数: 24

約数和(自身を含む): 51329712

約数和(自身を除く): 32997732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 305533, 611066, 916599, 1222132, 1527665, 1833198, 3055330, 3666396, 4582995, 6110660, 9165990, 18331980]

約数ペア:

[(1, 18331980), (2, 9165990), (3, 6110660), (4, 4582995), (5, 3666396), (6, 3055330), (10, 1833198), (12, 1527665), (15, 1222132), (20, 916599), (30, 611066), (60, 305533)]