18520212

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 47073600

約数和(自身を除く): 28553388

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 551, 1102, 1653, 2204, 2801, 3306, 5602, 6612, 8403, 11204, 16806, 33612, 53219, 81229, 106438, 159657, 162458, 212876, 243687, 319314, 324916, 487374, 638628, 974748, 1543351, 3086702, 4630053, 6173404, 9260106, 18520212]

約数ペア:

[(1, 18520212), (2, 9260106), (3, 6173404), (4, 4630053), (6, 3086702), (12, 1543351), (19, 974748), (29, 638628), (38, 487374), (57, 324916), (58, 319314), (76, 243687), (87, 212876), (114, 162458), (116, 159657), (174, 106438), (228, 81229), (348, 53219), (551, 33612), (1102, 16806), (1653, 11204), (2204, 8403), (2801, 6612), (3306, 5602)]