18812144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 39580800

約数和(自身を除く): 20768656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 607, 1192, 1214, 1937, 2384, 2428, 3874, 4856, 7748, 7891, 9712, 15496, 15782, 30992, 31564, 63128, 90443, 126256, 180886, 361772, 723544, 1175759, 1447088, 2351518, 4703036, 9406072, 18812144]

約数ペア:

[(1, 18812144), (2, 9406072), (4, 4703036), (8, 2351518), (13, 1447088), (16, 1175759), (26, 723544), (52, 361772), (104, 180886), (149, 126256), (208, 90443), (298, 63128), (596, 31564), (607, 30992), (1192, 15782), (1214, 15496), (1937, 9712), (2384, 7891), (2428, 7748), (3874, 4856)]