18502460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54419}}^1$

素因数の和:54445

約数の個数: 24

約数和(自身を含む): 41141520

約数和(自身を除く): 22639060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54419, 108838, 217676, 272095, 544190, 925123, 1088380, 1850246, 3700492, 4625615, 9251230, 18502460]

約数ペア:

[(1, 18502460), (2, 9251230), (4, 4625615), (5, 3700492), (10, 1850246), (17, 1088380), (20, 925123), (34, 544190), (68, 272095), (85, 217676), (170, 108838), (340, 54419)]