19839748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2099}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 17204252

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2099, 2363, 4198, 4726, 8396, 9452, 35683, 71366, 142732, 291761, 583522, 1167044, 4959937, 9919874, 19839748]

約数ペア:

[(1, 19839748), (2, 9919874), (4, 4959937), (17, 1167044), (34, 583522), (68, 291761), (139, 142732), (278, 71366), (556, 35683), (2099, 9452), (2363, 8396), (4198, 4726)]