19853940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330899}}^1$

素因数の和:330911

約数の個数: 24

約数和(自身を含む): 55591200

約数和(自身を除く): 35737260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330899, 661798, 992697, 1323596, 1654495, 1985394, 3308990, 3970788, 4963485, 6617980, 9926970, 19853940]

約数ペア:

[(1, 19853940), (2, 9926970), (3, 6617980), (4, 4963485), (5, 3970788), (6, 3308990), (10, 1985394), (12, 1654495), (15, 1323596), (20, 992697), (30, 661798), (60, 330899)]