19798713

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{881}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 11572263

約数列:

[1, 3, 9, 11, 33, 99, 227, 681, 881, 2043, 2497, 2643, 7491, 7929, 9691, 22473, 29073, 87219, 199987, 599961, 1799883, 2199857, 6599571, 19798713]

約数ペア:

[(1, 19798713), (3, 6599571), (9, 2199857), (11, 1799883), (33, 599961), (99, 199987), (227, 87219), (681, 29073), (881, 22473), (2043, 9691), (2497, 7929), (2643, 7491)]