18947640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157897}}^1$

素因数の和:157911

約数の個数: 32

約数和(自身を含む): 56843280

約数和(自身を除く): 37895640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157897, 315794, 473691, 631588, 789485, 947382, 1263176, 1578970, 1894764, 2368455, 3157940, 3789528, 4736910, 6315880, 9473820, 18947640]

約数ペア:

[(1, 18947640), (2, 9473820), (3, 6315880), (4, 4736910), (5, 3789528), (6, 3157940), (8, 2368455), (10, 1894764), (12, 1578970), (15, 1263176), (20, 947382), (24, 789485), (30, 631588), (40, 473691), (60, 315794), (120, 157897)]