18973438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2389}}^1$

素因数の和:2440

約数の個数: 24

約数和(自身を含む): 32781240

約数和(自身を除く): 13807802

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2389, 3971, 4778, 7942, 26279, 45391, 52558, 90782, 499301, 862429, 998602, 1724858, 9486719, 18973438]

約数ペア:

[(1, 18973438), (2, 9486719), (11, 1724858), (19, 998602), (22, 862429), (38, 499301), (209, 90782), (361, 52558), (418, 45391), (722, 26279), (2389, 7942), (3971, 4778)]