18659820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{310997}}^1$

素因数の和:311009

約数の個数: 24

約数和(自身を含む): 52247664

約数和(自身を除く): 33587844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 310997, 621994, 932991, 1243988, 1554985, 1865982, 3109970, 3731964, 4664955, 6219940, 9329910, 18659820]

約数ペア:

[(1, 18659820), (2, 9329910), (3, 6219940), (4, 4664955), (5, 3731964), (6, 3109970), (10, 1865982), (12, 1554985), (15, 1243988), (20, 932991), (30, 621994), (60, 310997)]