18793151

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 21067200

約数和(自身を除く): 2274049

約数列:

[1, 13, 37, 89, 439, 481, 1157, 3293, 5707, 16243, 39071, 42809, 211159, 507923, 1445627, 18793151]

約数ペア:

[(1, 18793151), (13, 1445627), (37, 507923), (89, 211159), (439, 42809), (481, 39071), (1157, 16243), (3293, 5707)]