19992150

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 36254250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 59, 75, 90, 118, 135, 150, 177, 225, 251, 270, 295, 354, 450, 502, 531, 590, 675, 753, 885, 1062, 1255, 1350, 1475, 1506, 1593, 1770, 2259, 2510, 2655, 2950, 3186, 3765, 4425, 4518, 5310, 6275, 6777, 7530, 7965, 8850, 11295, 12550, 13275, 13554, 14809, 15930, 18825, 22590, 26550, 29618, 33885, 37650, 39825, 44427, 56475, 67770, 74045, 79650, 88854, 112950, 133281, 148090, 169425, 222135, 266562, 338850, 370225, 399843, 444270, 666405, 740450, 799686, 1110675, 1332810, 1999215, 2221350, 3332025, 3998430, 6664050, 9996075, 19992150]

約数ペア:

[(1, 19992150), (2, 9996075), (3, 6664050), (5, 3998430), (6, 3332025), (9, 2221350), (10, 1999215), (15, 1332810), (18, 1110675), (25, 799686), (27, 740450), (30, 666405), (45, 444270), (50, 399843), (54, 370225), (59, 338850), (75, 266562), (90, 222135), (118, 169425), (135, 148090), (150, 133281), (177, 112950), (225, 88854), (251, 79650), (270, 74045), (295, 67770), (354, 56475), (450, 44427), (502, 39825), (531, 37650), (590, 33885), (675, 29618), (753, 26550), (885, 22590), (1062, 18825), (1255, 15930), (1350, 14809), (1475, 13554), (1506, 13275), (1593, 12550), (1770, 11295), (2259, 8850), (2510, 7965), (2655, 7530), (2950, 6777), (3186, 6275), (3765, 5310), (4425, 4518)]