19689990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{656333}}^1$

素因数の和:656343

約数の個数: 16

約数和(自身を含む): 47256048

約数和(自身を除く): 27566058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 656333, 1312666, 1968999, 3281665, 3937998, 6563330, 9844995, 19689990]

約数ペア:

[(1, 19689990), (2, 9844995), (3, 6563330), (5, 3937998), (6, 3281665), (10, 1968999), (15, 1312666), (30, 656333)]