19412565

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30097}}^1$

素因数の和:30148

約数の個数: 16

約数和(自身を含む): 31783488

約数和(自身を除く): 12370923

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 30097, 90291, 150485, 451455, 1294171, 3882513, 6470855, 19412565]

約数ペア:

[(1, 19412565), (3, 6470855), (5, 3882513), (15, 1294171), (43, 451455), (129, 150485), (215, 90291), (645, 30097)]