18355040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10429}}^1$

素因数の和:10455

約数の個数: 48

約数和(自身を含む): 47310480

約数和(自身を除く): 28955440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10429, 20858, 41716, 52145, 83432, 104290, 114719, 166864, 208580, 229438, 333728, 417160, 458876, 573595, 834320, 917752, 1147190, 1668640, 1835504, 2294380, 3671008, 4588760, 9177520, 18355040]

約数ペア:

[(1, 18355040), (2, 9177520), (4, 4588760), (5, 3671008), (8, 2294380), (10, 1835504), (11, 1668640), (16, 1147190), (20, 917752), (22, 834320), (32, 573595), (40, 458876), (44, 417160), (55, 333728), (80, 229438), (88, 208580), (110, 166864), (160, 114719), (176, 104290), (220, 83432), (352, 52145), (440, 41716), (880, 20858), (1760, 10429)]