19679475

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 32801472

約数和(自身を除く): 13121997

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 2003, 3275, 6009, 9825, 10015, 30045, 50075, 150225, 262393, 787179, 1311965, 3935895, 6559825, 19679475]

約数ペア:

[(1, 19679475), (3, 6559825), (5, 3935895), (15, 1311965), (25, 787179), (75, 262393), (131, 150225), (393, 50075), (655, 30045), (1965, 10015), (2003, 9825), (3275, 6009)]