19579340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88997}}^1$

素因数の和:89017

約数の個数: 24

約数和(自身を含む): 44854992

約数和(自身を除く): 25275652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88997, 177994, 355988, 444985, 889970, 978967, 1779940, 1957934, 3915868, 4894835, 9789670, 19579340]

約数ペア:

[(1, 19579340), (2, 9789670), (4, 4894835), (5, 3915868), (10, 1957934), (11, 1779940), (20, 978967), (22, 889970), (44, 444985), (55, 355988), (110, 177994), (220, 88997)]