18869820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{314497}}^1$

素因数の和:314509

約数の個数: 24

約数和(自身を含む): 52835664

約数和(自身を除く): 33965844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 314497, 628994, 943491, 1257988, 1572485, 1886982, 3144970, 3773964, 4717455, 6289940, 9434910, 18869820]

約数ペア:

[(1, 18869820), (2, 9434910), (3, 6289940), (4, 4717455), (5, 3773964), (6, 3144970), (10, 1886982), (12, 1572485), (15, 1257988), (20, 943491), (30, 628994), (60, 314497)]