18856446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 45163008

約数和(自身を除く): 26306562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 53, 86, 106, 129, 159, 197, 258, 301, 318, 371, 394, 591, 602, 742, 903, 1113, 1182, 1379, 1806, 2226, 2279, 2758, 4137, 4558, 6837, 8274, 8471, 10441, 13674, 15953, 16942, 20882, 25413, 31323, 31906, 47859, 50826, 59297, 62646, 73087, 95718, 118594, 146174, 177891, 219261, 355782, 438522, 448963, 897926, 1346889, 2693778, 3142741, 6285482, 9428223, 18856446]

約数ペア:

[(1, 18856446), (2, 9428223), (3, 6285482), (6, 3142741), (7, 2693778), (14, 1346889), (21, 897926), (42, 448963), (43, 438522), (53, 355782), (86, 219261), (106, 177891), (129, 146174), (159, 118594), (197, 95718), (258, 73087), (301, 62646), (318, 59297), (371, 50826), (394, 47859), (591, 31906), (602, 31323), (742, 25413), (903, 20882), (1113, 16942), (1182, 15953), (1379, 13674), (1806, 10441), (2226, 8471), (2279, 8274), (2758, 6837), (4137, 4558)]