19161978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1279}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 22862982

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 227, 454, 681, 1279, 1362, 2497, 2558, 3837, 4994, 7491, 7674, 14069, 14982, 28138, 42207, 84414, 290333, 580666, 870999, 1741998, 3193663, 6387326, 9580989, 19161978]

約数ペア:

[(1, 19161978), (2, 9580989), (3, 6387326), (6, 3193663), (11, 1741998), (22, 870999), (33, 580666), (66, 290333), (227, 84414), (454, 42207), (681, 28138), (1279, 14982), (1362, 14069), (2497, 7674), (2558, 7491), (3837, 4994)]