18851716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8431}}^1$

素因数の和:8491

約数の個数: 24

約数和(自身を含む): 36358784

約数和(自身を除く): 17507068

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8431, 16862, 33724, 109603, 219206, 362533, 438412, 725066, 1450132, 4712929, 9425858, 18851716]

約数ペア:

[(1, 18851716), (2, 9425858), (4, 4712929), (13, 1450132), (26, 725066), (43, 438412), (52, 362533), (86, 219206), (172, 109603), (559, 33724), (1118, 16862), (2236, 8431)]