19453616

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 28543312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 431, 434, 496, 728, 806, 862, 868, 1456, 1612, 1724, 1736, 2821, 3017, 3224, 3448, 3472, 5603, 5642, 6034, 6448, 6896, 11206, 11284, 12068, 13361, 22412, 22568, 24136, 26722, 39221, 44824, 45136, 48272, 53444, 78442, 89648, 93527, 106888, 156884, 173693, 187054, 213776, 313768, 347386, 374108, 627536, 694772, 748216, 1215851, 1389544, 1496432, 2431702, 2779088, 4863404, 9726808, 19453616]

約数ペア:

[(1, 19453616), (2, 9726808), (4, 4863404), (7, 2779088), (8, 2431702), (13, 1496432), (14, 1389544), (16, 1215851), (26, 748216), (28, 694772), (31, 627536), (52, 374108), (56, 347386), (62, 313768), (91, 213776), (104, 187054), (112, 173693), (124, 156884), (182, 106888), (208, 93527), (217, 89648), (248, 78442), (364, 53444), (403, 48272), (431, 45136), (434, 44824), (496, 39221), (728, 26722), (806, 24136), (862, 22568), (868, 22412), (1456, 13361), (1612, 12068), (1724, 11284), (1736, 11206), (2821, 6896), (3017, 6448), (3224, 6034), (3448, 5642), (3472, 5603)]