18541237

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 5408843

約数列:

[1, 11, 13, 17, 29, 143, 187, 221, 263, 319, 377, 493, 2431, 2893, 3419, 4147, 4471, 5423, 6409, 7627, 37609, 49181, 58123, 70499, 83897, 99151, 129659, 639353, 1090661, 1426249, 1685567, 18541237]

約数ペア:

[(1, 18541237), (11, 1685567), (13, 1426249), (17, 1090661), (29, 639353), (143, 129659), (187, 99151), (221, 83897), (263, 70499), (319, 58123), (377, 49181), (493, 37609), (2431, 7627), (2893, 6409), (3419, 5423), (4147, 4471)]