19734435

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6985

約数の個数: 40

約数和(自身を含む): 40435296

約数和(自身を除く): 20700861

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6961, 20883, 34805, 48727, 62649, 104415, 146181, 187947, 243635, 313245, 438543, 563841, 730905, 939735, 1315629, 2192715, 2819205, 3946887, 6578145, 19734435]

約数ペア:

[(1, 19734435), (3, 6578145), (5, 3946887), (7, 2819205), (9, 2192715), (15, 1315629), (21, 939735), (27, 730905), (35, 563841), (45, 438543), (63, 313245), (81, 243635), (105, 187947), (135, 146181), (189, 104415), (315, 62649), (405, 48727), (567, 34805), (945, 20883), (2835, 6961)]