12813220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4817}}^1$

素因数の和:4852

約数の個数: 48

約数和(自身を含む): 32376960

約数和(自身を除く): 19563740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4817, 9634, 19268, 24085, 33719, 48170, 67438, 91523, 96340, 134876, 168595, 183046, 337190, 366092, 457615, 640661, 674380, 915230, 1281322, 1830460, 2562644, 3203305, 6406610, 12813220]

約数ペア:

[(1, 12813220), (2, 6406610), (4, 3203305), (5, 2562644), (7, 1830460), (10, 1281322), (14, 915230), (19, 674380), (20, 640661), (28, 457615), (35, 366092), (38, 337190), (70, 183046), (76, 168595), (95, 134876), (133, 96340), (140, 91523), (190, 67438), (266, 48170), (380, 33719), (532, 24085), (665, 19268), (1330, 9634), (2660, 4817)]