18483620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22541}}^1$

素因数の和:22591

約数の個数: 24

約数和(自身を含む): 39764088

約数和(自身を除く): 21280468

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22541, 45082, 90164, 112705, 225410, 450820, 924181, 1848362, 3696724, 4620905, 9241810, 18483620]

約数ペア:

[(1, 18483620), (2, 9241810), (4, 4620905), (5, 3696724), (10, 1848362), (20, 924181), (41, 450820), (82, 225410), (164, 112705), (205, 90164), (410, 45082), (820, 22541)]