19698413

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 3341587

約数列:

[1, 7, 79, 179, 199, 553, 1253, 1393, 14141, 15721, 35621, 98987, 110047, 249347, 2814059, 19698413]

約数ペア:

[(1, 19698413), (7, 2814059), (79, 249347), (179, 110047), (199, 98987), (553, 35621), (1253, 15721), (1393, 14141)]