19551490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39901}}^1$

素因数の和:39922

約数の個数: 24

約数和(自身を含む): 40939452

約数和(自身を除く): 21387962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39901, 79802, 199505, 279307, 399010, 558614, 1396535, 1955149, 2793070, 3910298, 9775745, 19551490]

約数ペア:

[(1, 19551490), (2, 9775745), (5, 3910298), (7, 2793070), (10, 1955149), (14, 1396535), (35, 558614), (49, 399010), (70, 279307), (98, 199505), (245, 79802), (490, 39901)]