18257252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 20127388

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1087, 1292, 2174, 4199, 4348, 8398, 14131, 16796, 18479, 20653, 28262, 36958, 41306, 56524, 73916, 82612, 240227, 268489, 351101, 480454, 536978, 702202, 960908, 1073956, 1404404, 4564313, 9128626, 18257252]

約数ペア:

[(1, 18257252), (2, 9128626), (4, 4564313), (13, 1404404), (17, 1073956), (19, 960908), (26, 702202), (34, 536978), (38, 480454), (52, 351101), (68, 268489), (76, 240227), (221, 82612), (247, 73916), (323, 56524), (442, 41306), (494, 36958), (646, 28262), (884, 20653), (988, 18479), (1087, 16796), (1292, 14131), (2174, 8398), (4199, 4348)]