19914934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13792586

約数列:

[1, 2, 13, 26, 43, 47, 86, 94, 379, 559, 611, 758, 1118, 1222, 2021, 4042, 4927, 9854, 16297, 17813, 26273, 32594, 35626, 52546, 211861, 231569, 423722, 463138, 765959, 1531918, 9957467, 19914934]

約数ペア:

[(1, 19914934), (2, 9957467), (13, 1531918), (26, 765959), (43, 463138), (47, 423722), (86, 231569), (94, 211861), (379, 52546), (559, 35626), (611, 32594), (758, 26273), (1118, 17813), (1222, 16297), (2021, 9854), (4042, 4927)]