18458271

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 29090880

約数和(自身を除く): 10632609

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 1997, 3081, 5991, 9243, 17973, 25961, 77883, 157763, 233649, 473289, 1419867, 2050919, 6152757, 18458271]

約数ペア:

[(1, 18458271), (3, 6152757), (9, 2050919), (13, 1419867), (39, 473289), (79, 233649), (117, 157763), (237, 77883), (711, 25961), (1027, 17973), (1997, 9243), (3081, 5991)]