18957400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1$

素因数の和:1265

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 36039080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1231, 1400, 1540, 1925, 2200, 2462, 3080, 3850, 4924, 6155, 7700, 8617, 9848, 12310, 13541, 15400, 17234, 24620, 27082, 30775, 34468, 43085, 49240, 54164, 61550, 67705, 68936, 86170, 94787, 108328, 123100, 135410, 172340, 189574, 215425, 246200, 270820, 338525, 344680, 379148, 430850, 473935, 541640, 677050, 758296, 861700, 947870, 1354100, 1723400, 1895740, 2369675, 2708200, 3791480, 4739350, 9478700, 18957400]

約数ペア:

[(1, 18957400), (2, 9478700), (4, 4739350), (5, 3791480), (7, 2708200), (8, 2369675), (10, 1895740), (11, 1723400), (14, 1354100), (20, 947870), (22, 861700), (25, 758296), (28, 677050), (35, 541640), (40, 473935), (44, 430850), (50, 379148), (55, 344680), (56, 338525), (70, 270820), (77, 246200), (88, 215425), (100, 189574), (110, 172340), (140, 135410), (154, 123100), (175, 108328), (200, 94787), (220, 86170), (275, 68936), (280, 67705), (308, 61550), (350, 54164), (385, 49240), (440, 43085), (550, 34468), (616, 30775), (700, 27082), (770, 24620), (1100, 17234), (1231, 15400), (1400, 13541), (1540, 12310), (1925, 9848), (2200, 8617), (2462, 7700), (3080, 6155), (3850, 4924)]