18539940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{308999}}^1$

素因数の和:309011

約数の個数: 24

約数和(自身を含む): 51912000

約数和(自身を除く): 33372060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 308999, 617998, 926997, 1235996, 1544995, 1853994, 3089990, 3707988, 4634985, 6179980, 9269970, 18539940]

約数ペア:

[(1, 18539940), (2, 9269970), (3, 6179980), (4, 4634985), (5, 3707988), (6, 3089990), (10, 1853994), (12, 1544995), (15, 1235996), (20, 926997), (30, 617998), (60, 308999)]