19615011

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 30051840

約数和(自身を除く): 10436829

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 257, 309, 741, 771, 1339, 1957, 3341, 4017, 4883, 5871, 10023, 14649, 25441, 26471, 63479, 76323, 79413, 190437, 344123, 502949, 1032369, 1508847, 6538337, 19615011]

約数ペア:

[(1, 19615011), (3, 6538337), (13, 1508847), (19, 1032369), (39, 502949), (57, 344123), (103, 190437), (247, 79413), (257, 76323), (309, 63479), (741, 26471), (771, 25441), (1339, 14649), (1957, 10023), (3341, 5871), (4017, 4883)]