18688657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 20885760

約数和(自身を除く): 2197103

約数列:

[1, 13, 47, 73, 419, 611, 949, 3431, 5447, 19693, 30587, 44603, 256009, 397631, 1437589, 18688657]

約数ペア:

[(1, 18688657), (13, 1437589), (47, 397631), (73, 256009), (419, 44603), (611, 30587), (949, 19693), (3431, 5447)]