18474261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{739}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 26604480

約数和(自身を除く): 8130219

約数列:

[1, 3, 13, 39, 641, 739, 1923, 2217, 8333, 9607, 24999, 28821, 473699, 1421097, 6158087, 18474261]

約数ペア:

[(1, 18474261), (3, 6158087), (13, 1421097), (39, 473699), (641, 28821), (739, 24999), (1923, 9607), (2217, 8333)]