18977964

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{36779}}^1$

素因数の和:36829

約数の個数: 24

約数和(自身を含む): 45312960

約数和(自身を除く): 26334996

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 36779, 73558, 110337, 147116, 220674, 441348, 1581497, 3162994, 4744491, 6325988, 9488982, 18977964]

約数ペア:

[(1, 18977964), (2, 9488982), (3, 6325988), (4, 4744491), (6, 3162994), (12, 1581497), (43, 441348), (86, 220674), (129, 147116), (172, 110337), (258, 73558), (516, 36779)]