18157920175

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{419}}^1\times {\mathrm{19477}}^1$

素因数の和:19995

約数の個数: 24

約数和(自身を含む): 22824320400

約数和(自身を除く): 4666400225

約数列:

[1, 5, 25, 89, 419, 445, 2095, 2225, 10475, 19477, 37291, 97385, 186455, 486925, 932275, 1733453, 8160863, 8667265, 40804315, 43336325, 204021575, 726316807, 3631584035, 18157920175]

約数ペア:

[(1, 18157920175), (5, 3631584035), (25, 726316807), (89, 204021575), (419, 43336325), (445, 40804315), (2095, 8667265), (2225, 8160863), (10475, 1733453), (19477, 932275), (37291, 486925), (97385, 186455)]