19456515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 36865920

約数和(自身を除く): 17409405

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 395, 421, 585, 711, 1027, 1185, 1263, 2105, 3081, 3555, 3789, 5135, 5473, 6315, 9243, 15405, 16419, 18945, 27365, 33259, 46215, 49257, 82095, 99777, 166295, 246285, 299331, 432367, 498885, 1297101, 1496655, 2161835, 3891303, 6485505, 19456515]

約数ペア:

[(1, 19456515), (3, 6485505), (5, 3891303), (9, 2161835), (13, 1496655), (15, 1297101), (39, 498885), (45, 432367), (65, 299331), (79, 246285), (117, 166295), (195, 99777), (237, 82095), (395, 49257), (421, 46215), (585, 33259), (711, 27365), (1027, 18945), (1185, 16419), (1263, 15405), (2105, 9243), (3081, 6315), (3555, 5473), (3789, 5135)]