18121390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3119}}^1$

素因数の和:3216

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 19618130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3119, 5810, 6238, 15595, 21833, 31190, 43666, 109165, 218330, 258877, 517754, 1294385, 1812139, 2588770, 3624278, 9060695, 18121390]

約数ペア:

[(1, 18121390), (2, 9060695), (5, 3624278), (7, 2588770), (10, 1812139), (14, 1294385), (35, 517754), (70, 258877), (83, 218330), (166, 109165), (415, 43666), (581, 31190), (830, 21833), (1162, 15595), (2905, 6238), (3119, 5810)]