18220398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3121}}^1$

素因数の和:3272

約数の個数: 32

約数和(自身を含む): 41959680

約数和(自身を除く): 23739282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3121, 5838, 6242, 9363, 18726, 21847, 43694, 65541, 131082, 433819, 867638, 1301457, 2602914, 3036733, 6073466, 9110199, 18220398]

約数ペア:

[(1, 18220398), (2, 9110199), (3, 6073466), (6, 3036733), (7, 2602914), (14, 1301457), (21, 867638), (42, 433819), (139, 131082), (278, 65541), (417, 43694), (834, 21847), (973, 18726), (1946, 9363), (2919, 6242), (3121, 5838)]