18547778

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 9964222

約数列:

[1, 2, 79, 89, 158, 178, 1319, 2638, 7031, 14062, 104201, 117391, 208402, 234782, 9273889, 18547778]

約数ペア:

[(1, 18547778), (2, 9273889), (79, 234782), (89, 208402), (158, 117391), (178, 104201), (1319, 14062), (2638, 7031)]