18560735

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 22999680

約数和(自身を除く): 4438945

約数列:

[1, 5, 43, 131, 215, 655, 659, 3295, 5633, 28165, 28337, 86329, 141685, 431645, 3712147, 18560735]

約数ペア:

[(1, 18560735), (5, 3712147), (43, 431645), (131, 141685), (215, 86329), (655, 28337), (659, 28165), (3295, 5633)]