18171610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 35728128

約数和(自身を除く): 17556518

約数列:

[1, 2, 5, 10, 23, 41, 46, 47, 82, 94, 115, 205, 230, 235, 410, 470, 943, 1081, 1681, 1886, 1927, 2162, 3362, 3854, 4715, 5405, 8405, 9430, 9635, 10810, 16810, 19270, 38663, 44321, 77326, 79007, 88642, 158014, 193315, 221605, 386630, 395035, 443210, 790070, 1817161, 3634322, 9085805, 18171610]

約数ペア:

[(1, 18171610), (2, 9085805), (5, 3634322), (10, 1817161), (23, 790070), (41, 443210), (46, 395035), (47, 386630), (82, 221605), (94, 193315), (115, 158014), (205, 88642), (230, 79007), (235, 77326), (410, 44321), (470, 38663), (943, 19270), (1081, 16810), (1681, 10810), (1886, 9635), (1927, 9430), (2162, 8405), (3362, 5405), (3854, 4715)]