19838091720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{856567}}^1$

素因数の和:856774

約数の個数: 64

約数和(自身を含む): 59822709120

約数和(自身を除く): 39984617400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 965, 1158, 1544, 1930, 2316, 2895, 3860, 4632, 5790, 7720, 11580, 23160, 856567, 1713134, 2569701, 3426268, 4282835, 5139402, 6852536, 8565670, 10278804, 12848505, 17131340, 20557608, 25697010, 34262680, 51394020, 102788040, 165317431, 330634862, 495952293, 661269724, 826587155, 991904586, 1322539448, 1653174310, 1983809172, 2479761465, 3306348620, 3967618344, 4959522930, 6612697240, 9919045860, 19838091720]

約数ペア:

[(1, 19838091720), (2, 9919045860), (3, 6612697240), (4, 4959522930), (5, 3967618344), (6, 3306348620), (8, 2479761465), (10, 1983809172), (12, 1653174310), (15, 1322539448), (20, 991904586), (24, 826587155), (30, 661269724), (40, 495952293), (60, 330634862), (120, 165317431), (193, 102788040), (386, 51394020), (579, 34262680), (772, 25697010), (965, 20557608), (1158, 17131340), (1544, 12848505), (1930, 10278804), (2316, 8565670), (2895, 6852536), (3860, 5139402), (4632, 4282835), (5790, 3426268), (7720, 2569701), (11580, 1713134), (23160, 856567)]