18819340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55351}}^1$

素因数の和:55377

約数の個数: 24

約数和(自身を含む): 41846112

約数和(自身を除く): 23026772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55351, 110702, 221404, 276755, 553510, 940967, 1107020, 1881934, 3763868, 4704835, 9409670, 18819340]

約数ペア:

[(1, 18819340), (2, 9409670), (4, 4704835), (5, 3763868), (10, 1881934), (17, 1107020), (20, 940967), (34, 553510), (68, 276755), (85, 221404), (170, 110702), (340, 55351)]