1921915678740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{66872501}}^1$

素因数の和:66872992

約数の個数: 48

約数和(自身を含む): 5392598561280

約数和(自身を除く): 3470682882540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 958, 1437, 1916, 2395, 2874, 4790, 5748, 7185, 9580, 14370, 28740, 66872501, 133745002, 200617503, 267490004, 334362505, 401235006, 668725010, 802470012, 1003087515, 1337450020, 2006175030, 4012350060, 32031927979, 64063855958, 96095783937, 128127711916, 160159639895, 192191567874, 320319279790, 384383135748, 480478919685, 640638559580, 960957839370, 1921915678740]

約数ペア:

[(1, 1921915678740), (2, 960957839370), (3, 640638559580), (4, 480478919685), (5, 384383135748), (6, 320319279790), (10, 192191567874), (12, 160159639895), (15, 128127711916), (20, 96095783937), (30, 64063855958), (60, 32031927979), (479, 4012350060), (958, 2006175030), (1437, 1337450020), (1916, 1003087515), (2395, 802470012), (2874, 668725010), (4790, 401235006), (5748, 334362505), (7185, 267490004), (9580, 200617503), (14370, 133745002), (28740, 66872501)]