18601870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37963}}^1$

素因数の和:37984

約数の個数: 24

約数和(自身を含む): 38951064

約数和(自身を除く): 20349194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37963, 75926, 189815, 265741, 379630, 531482, 1328705, 1860187, 2657410, 3720374, 9300935, 18601870]

約数ペア:

[(1, 18601870), (2, 9300935), (5, 3720374), (7, 2657410), (10, 1860187), (14, 1328705), (35, 531482), (49, 379630), (70, 265741), (98, 189815), (245, 75926), (490, 37963)]