19145500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^2$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 46401264

約数和(自身を除く): 27255764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 125, 220, 236, 250, 275, 295, 500, 550, 590, 649, 1100, 1180, 1298, 1375, 1475, 2596, 2750, 2950, 3245, 3481, 5500, 5900, 6490, 6962, 7375, 12980, 13924, 14750, 16225, 17405, 29500, 32450, 34810, 38291, 64900, 69620, 76582, 81125, 87025, 153164, 162250, 174050, 191455, 324500, 348100, 382910, 435125, 765820, 870250, 957275, 1740500, 1914550, 3829100, 4786375, 9572750, 19145500]

約数ペア:

[(1, 19145500), (2, 9572750), (4, 4786375), (5, 3829100), (10, 1914550), (11, 1740500), (20, 957275), (22, 870250), (25, 765820), (44, 435125), (50, 382910), (55, 348100), (59, 324500), (100, 191455), (110, 174050), (118, 162250), (125, 153164), (220, 87025), (236, 81125), (250, 76582), (275, 69620), (295, 64900), (500, 38291), (550, 34810), (590, 32450), (649, 29500), (1100, 17405), (1180, 16225), (1298, 14750), (1375, 13924), (1475, 12980), (2596, 7375), (2750, 6962), (2950, 6490), (3245, 5900), (3481, 5500)]