18663099

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 30912000

約数和(自身を除く): 12248901

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 499, 959, 1497, 1781, 2877, 3493, 5343, 6487, 10479, 12467, 19461, 37401, 45409, 68363, 136227, 205089, 478541, 888719, 1435623, 2666157, 6221033, 18663099]

約数ペア:

[(1, 18663099), (3, 6221033), (7, 2666157), (13, 1435623), (21, 888719), (39, 478541), (91, 205089), (137, 136227), (273, 68363), (411, 45409), (499, 37401), (959, 19461), (1497, 12467), (1781, 10479), (2877, 6487), (3493, 5343)]