19758285

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10211}}^1$

素因数の和:10265

約数の個数: 24

約数和(自身を含む): 35047584

約数和(自身を除く): 15289299

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10211, 30633, 51055, 91899, 153165, 439073, 459495, 1317219, 2195365, 3951657, 6586095, 19758285]

約数ペア:

[(1, 19758285), (3, 6586095), (5, 3951657), (9, 2195365), (15, 1317219), (43, 459495), (45, 439073), (129, 153165), (215, 91899), (387, 51055), (645, 30633), (1935, 10211)]