18499160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 44431200

約数和(自身を除く): 25932040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 241, 380, 404, 482, 505, 760, 808, 964, 1010, 1205, 1919, 1928, 2020, 2410, 3838, 4040, 4579, 4820, 7676, 9158, 9595, 9640, 15352, 18316, 19190, 22895, 24341, 36632, 38380, 45790, 48682, 76760, 91580, 97364, 121705, 183160, 194728, 243410, 462479, 486820, 924958, 973640, 1849916, 2312395, 3699832, 4624790, 9249580, 18499160]

約数ペア:

[(1, 18499160), (2, 9249580), (4, 4624790), (5, 3699832), (8, 2312395), (10, 1849916), (19, 973640), (20, 924958), (38, 486820), (40, 462479), (76, 243410), (95, 194728), (101, 183160), (152, 121705), (190, 97364), (202, 91580), (241, 76760), (380, 48682), (404, 45790), (482, 38380), (505, 36632), (760, 24341), (808, 22895), (964, 19190), (1010, 18316), (1205, 15352), (1919, 9640), (1928, 9595), (2020, 9158), (2410, 7676), (3838, 4820), (4040, 4579)]