19059980

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1669}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 40120080

約数和(自身を除く): 21060100

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 1669, 2284, 2855, 3338, 5710, 6676, 8345, 11420, 16690, 33380, 952999, 1905998, 3811996, 4764995, 9529990, 19059980]

約数ペア:

[(1, 19059980), (2, 9529990), (4, 4764995), (5, 3811996), (10, 1905998), (20, 952999), (571, 33380), (1142, 16690), (1669, 11420), (2284, 8345), (2855, 6676), (3338, 5710)]