18412760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{479}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 42897600

約数和(自身を除く): 24484840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 479, 620, 958, 961, 1240, 1916, 1922, 2395, 3832, 3844, 4790, 4805, 7688, 9580, 9610, 14849, 19160, 19220, 29698, 38440, 59396, 74245, 118792, 148490, 296980, 460319, 593960, 920638, 1841276, 2301595, 3682552, 4603190, 9206380, 18412760]

約数ペア:

[(1, 18412760), (2, 9206380), (4, 4603190), (5, 3682552), (8, 2301595), (10, 1841276), (20, 920638), (31, 593960), (40, 460319), (62, 296980), (124, 148490), (155, 118792), (248, 74245), (310, 59396), (479, 38440), (620, 29698), (958, 19220), (961, 19160), (1240, 14849), (1916, 9610), (1922, 9580), (2395, 7688), (3832, 4805), (3844, 4790)]