19768070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40343}}^1$

素因数の和:40364

約数の個数: 24

約数和(自身を含む): 41392944

約数和(自身を除く): 21624874

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40343, 80686, 201715, 282401, 403430, 564802, 1412005, 1976807, 2824010, 3953614, 9884035, 19768070]

約数ペア:

[(1, 19768070), (2, 9884035), (5, 3953614), (7, 2824010), (10, 1976807), (14, 1412005), (35, 564802), (49, 403430), (70, 282401), (98, 201715), (245, 80686), (490, 40343)]