18715691876

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{46171}}^1$

素因数の和:46680

約数の個数: 48

約数和(自身を含む): 38722424832

約数和(自身を除く): 20006732956

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 467, 868, 934, 1868, 3269, 6538, 13076, 14477, 28954, 46171, 57908, 92342, 101339, 184684, 202678, 323197, 405356, 646394, 1292788, 1431301, 2862602, 5725204, 10019107, 20038214, 21561857, 40076428, 43123714, 86247428, 150932999, 301865998, 603731996, 668417567, 1336835134, 2673670268, 4678922969, 9357845938, 18715691876]

約数ペア:

[(1, 18715691876), (2, 9357845938), (4, 4678922969), (7, 2673670268), (14, 1336835134), (28, 668417567), (31, 603731996), (62, 301865998), (124, 150932999), (217, 86247428), (434, 43123714), (467, 40076428), (868, 21561857), (934, 20038214), (1868, 10019107), (3269, 5725204), (6538, 2862602), (13076, 1431301), (14477, 1292788), (28954, 646394), (46171, 405356), (57908, 323197), (92342, 202678), (101339, 184684)]