18815880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{156799}}^1$

素因数の和:156813

約数の個数: 32

約数和(自身を含む): 56448000

約数和(自身を除く): 37632120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 156799, 313598, 470397, 627196, 783995, 940794, 1254392, 1567990, 1881588, 2351985, 3135980, 3763176, 4703970, 6271960, 9407940, 18815880]

約数ペア:

[(1, 18815880), (2, 9407940), (3, 6271960), (4, 4703970), (5, 3763176), (6, 3135980), (8, 2351985), (10, 1881588), (12, 1567990), (15, 1254392), (20, 940794), (24, 783995), (30, 627196), (40, 470397), (60, 313598), (120, 156799)]