19340200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 50220000

約数和(自身を除く): 30879800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 59, 88, 100, 110, 118, 149, 200, 220, 236, 275, 295, 298, 440, 472, 550, 590, 596, 649, 745, 1100, 1180, 1192, 1298, 1475, 1490, 1639, 2200, 2360, 2596, 2950, 2980, 3245, 3278, 3725, 5192, 5900, 5960, 6490, 6556, 7450, 8195, 8791, 11800, 12980, 13112, 14900, 16225, 16390, 17582, 25960, 29800, 32450, 32780, 35164, 40975, 43955, 64900, 65560, 70328, 81950, 87910, 96701, 129800, 163900, 175820, 193402, 219775, 327800, 351640, 386804, 439550, 483505, 773608, 879100, 967010, 1758200, 1934020, 2417525, 3868040, 4835050, 9670100, 19340200]

約数ペア:

[(1, 19340200), (2, 9670100), (4, 4835050), (5, 3868040), (8, 2417525), (10, 1934020), (11, 1758200), (20, 967010), (22, 879100), (25, 773608), (40, 483505), (44, 439550), (50, 386804), (55, 351640), (59, 327800), (88, 219775), (100, 193402), (110, 175820), (118, 163900), (149, 129800), (200, 96701), (220, 87910), (236, 81950), (275, 70328), (295, 65560), (298, 64900), (440, 43955), (472, 40975), (550, 35164), (590, 32780), (596, 32450), (649, 29800), (745, 25960), (1100, 17582), (1180, 16390), (1192, 16225), (1298, 14900), (1475, 13112), (1490, 12980), (1639, 11800), (2200, 8791), (2360, 8195), (2596, 7450), (2950, 6556), (2980, 6490), (3245, 5960), (3278, 5900), (3725, 5192)]