18781607429

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4999097}}^1$

素因数の和:4999144

約数の個数: 12

約数和(自身を含む): 21486123204

約数和(自身を除く): 2704515775

約数列:

[1, 13, 17, 221, 289, 3757, 4999097, 64988261, 84984649, 1104800437, 1444739033, 18781607429]

約数ペア:

[(1, 18781607429), (13, 1444739033), (17, 1104800437), (221, 84984649), (289, 64988261), (3757, 4999097)]