19586140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139901}}^1$

素因数の和:139917

約数の個数: 24

約数和(自身を含む): 47007072

約数和(自身を除く): 27420932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139901, 279802, 559604, 699505, 979307, 1399010, 1958614, 2798020, 3917228, 4896535, 9793070, 19586140]

約数ペア:

[(1, 19586140), (2, 9793070), (4, 4896535), (5, 3917228), (7, 2798020), (10, 1958614), (14, 1399010), (20, 979307), (28, 699505), (35, 559604), (70, 279802), (140, 139901)]