18613842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{238639}}^1$

素因数の和:238657

約数の個数: 16

約数和(自身を含む): 40091520

約数和(自身を除く): 21477678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 238639, 477278, 715917, 1431834, 3102307, 6204614, 9306921, 18613842]

約数ペア:

[(1, 18613842), (2, 9306921), (3, 6204614), (6, 3102307), (13, 1431834), (26, 715917), (39, 477278), (78, 238639)]