18368540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19541}}^1$

素因数の和:19597

約数の個数: 24

約数和(自身を含む): 39396672

約数和(自身を除く): 21028132

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19541, 39082, 78164, 97705, 195410, 390820, 918427, 1836854, 3673708, 4592135, 9184270, 18368540]

約数ペア:

[(1, 18368540), (2, 9184270), (4, 4592135), (5, 3673708), (10, 1836854), (20, 918427), (47, 390820), (94, 195410), (188, 97705), (235, 78164), (470, 39082), (940, 19541)]