17996914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2194

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 14420366

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2143, 4199, 4286, 8398, 27859, 36431, 40717, 55718, 72862, 81434, 473603, 529321, 692189, 947206, 1058642, 1384378, 8998457, 17996914]

約数ペア:

[(1, 17996914), (2, 8998457), (13, 1384378), (17, 1058642), (19, 947206), (26, 692189), (34, 529321), (38, 473603), (221, 81434), (247, 72862), (323, 55718), (442, 40717), (494, 36431), (646, 27859), (2143, 8398), (4199, 4286)]