18531040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10529}}^1$

素因数の和:10555

約数の個数: 48

約数和(自身を含む): 47764080

約数和(自身を除く): 29233040

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, 10529, 21058, 42116, 52645, 84232, 105290, 115819, 168464, 210580, 231638, 336928, 421160, 463276, 579095, 842320, 926552, 1158190, 1684640, 1853104, 2316380, 3706208, 4632760, 9265520, 18531040]

約数ペア:

[(1, 18531040), (2, 9265520), (4, 4632760), (5, 3706208), (8, 2316380), (10, 1853104), (11, 1684640), (16, 1158190), (20, 926552), (22, 842320), (32, 579095), (40, 463276), (44, 421160), (55, 336928), (80, 231638), (88, 210580), (110, 168464), (160, 115819), (176, 105290), (220, 84232), (352, 52645), (440, 42116), (880, 21058), (1760, 10529)]