18740514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240263}}^1$

素因数の和:240281

約数の個数: 16

約数和(自身を含む): 40364352

約数和(自身を除く): 21623838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240263, 480526, 720789, 1441578, 3123419, 6246838, 9370257, 18740514]

約数ペア:

[(1, 18740514), (2, 9370257), (3, 6246838), (6, 3123419), (13, 1441578), (26, 720789), (39, 480526), (78, 240263)]