19118801

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 22135680

約数和(自身を除く): 3016879

約数列:

[1, 13, 29, 47, 83, 169, 377, 611, 1079, 1363, 2407, 3901, 4901, 7943, 14027, 17719, 31291, 50713, 113129, 230347, 406783, 659269, 1470677, 19118801]

約数ペア:

[(1, 19118801), (13, 1470677), (29, 659269), (47, 406783), (83, 230347), (169, 113129), (377, 50713), (611, 31291), (1079, 17719), (1363, 14027), (2407, 7943), (3901, 4901)]