18365919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 29718528

約数和(自身を除く): 11352609

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 1381, 4143, 4433, 13299, 15191, 17953, 42811, 45573, 53859, 128433, 197483, 470921, 556543, 592449, 1412763, 1669629, 6121973, 18365919]

約数ペア:

[(1, 18365919), (3, 6121973), (11, 1669629), (13, 1412763), (31, 592449), (33, 556543), (39, 470921), (93, 197483), (143, 128433), (341, 53859), (403, 45573), (429, 42811), (1023, 17953), (1209, 15191), (1381, 13299), (4143, 4433)]