18188222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 30536352

約数和(自身を除く): 12348130

約数列:

[1, 2, 13, 26, 53, 67, 106, 134, 197, 394, 689, 871, 1378, 1742, 2561, 3551, 5122, 7102, 10441, 13199, 20882, 26398, 46163, 92326, 135733, 171587, 271466, 343174, 699547, 1399094, 9094111, 18188222]

約数ペア:

[(1, 18188222), (2, 9094111), (13, 1399094), (26, 699547), (53, 343174), (67, 271466), (106, 171587), (134, 135733), (197, 92326), (394, 46163), (689, 26398), (871, 20882), (1378, 13199), (1742, 10441), (2561, 7102), (3551, 5122)]