18388760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35363}}^1$

素因数の和:35387

約数の個数: 32

約数和(自身を含む): 44558640

約数和(自身を除く): 26169880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35363, 70726, 141452, 176815, 282904, 353630, 459719, 707260, 919438, 1414520, 1838876, 2298595, 3677752, 4597190, 9194380, 18388760]

約数ペア:

[(1, 18388760), (2, 9194380), (4, 4597190), (5, 3677752), (8, 2298595), (10, 1838876), (13, 1414520), (20, 919438), (26, 707260), (40, 459719), (52, 353630), (65, 282904), (104, 176815), (130, 141452), (260, 70726), (520, 35363)]