18737404

素因数分解:

$2^2\times 7^4\times {\mathrm{1951}}^1$

素因数の和:1983

約数の個数: 30

約数和(自身を含む): 38272864

約数和(自身を除く): 19535460

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 1951, 2401, 3902, 4802, 7804, 9604, 13657, 27314, 54628, 95599, 191198, 382396, 669193, 1338386, 2676772, 4684351, 9368702, 18737404]

約数ペア:

[(1, 18737404), (2, 9368702), (4, 4684351), (7, 2676772), (14, 1338386), (28, 669193), (49, 382396), (98, 191198), (196, 95599), (343, 54628), (686, 27314), (1372, 13657), (1951, 9604), (2401, 7804), (3902, 4802)]