18995463

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 9309177

約数列:

[1, 3, 9, 59, 83, 177, 249, 431, 531, 747, 1293, 3879, 4897, 14691, 25429, 35773, 44073, 76287, 107319, 228861, 321957, 2110607, 6331821, 18995463]

約数ペア:

[(1, 18995463), (3, 6331821), (9, 2110607), (59, 321957), (83, 228861), (177, 107319), (249, 76287), (431, 44073), (531, 35773), (747, 25429), (1293, 14691), (3879, 4897)]