19767150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 59579520

約数和(自身を除く): 39812370

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 109, 117, 130, 150, 155, 186, 195, 218, 225, 234, 279, 310, 325, 327, 390, 403, 450, 465, 545, 558, 585, 650, 654, 775, 806, 930, 975, 981, 1090, 1170, 1209, 1395, 1417, 1550, 1635, 1950, 1962, 2015, 2325, 2418, 2725, 2790, 2834, 2925, 3270, 3379, 3627, 4030, 4251, 4650, 4905, 5450, 5850, 6045, 6758, 6975, 7085, 7254, 8175, 8502, 9810, 10075, 10137, 12090, 12753, 13950, 14170, 16350, 16895, 18135, 20150, 20274, 21255, 24525, 25506, 30225, 30411, 33790, 35425, 36270, 42510, 43927, 49050, 50685, 60450, 60822, 63765, 70850, 84475, 87854, 90675, 101370, 106275, 127530, 131781, 152055, 168950, 181350, 212550, 219635, 253425, 263562, 304110, 318825, 395343, 439270, 506850, 637650, 658905, 760275, 790686, 1098175, 1317810, 1520550, 1976715, 2196350, 3294525, 3953430, 6589050, 9883575, 19767150]

約数ペア:

[(1, 19767150), (2, 9883575), (3, 6589050), (5, 3953430), (6, 3294525), (9, 2196350), (10, 1976715), (13, 1520550), (15, 1317810), (18, 1098175), (25, 790686), (26, 760275), (30, 658905), (31, 637650), (39, 506850), (45, 439270), (50, 395343), (62, 318825), (65, 304110), (75, 263562), (78, 253425), (90, 219635), (93, 212550), (109, 181350), (117, 168950), (130, 152055), (150, 131781), (155, 127530), (186, 106275), (195, 101370), (218, 90675), (225, 87854), (234, 84475), (279, 70850), (310, 63765), (325, 60822), (327, 60450), (390, 50685), (403, 49050), (450, 43927), (465, 42510), (545, 36270), (558, 35425), (585, 33790), (650, 30411), (654, 30225), (775, 25506), (806, 24525), (930, 21255), (975, 20274), (981, 20150), (1090, 18135), (1170, 16895), (1209, 16350), (1395, 14170), (1417, 13950), (1550, 12753), (1635, 12090), (1950, 10137), (1962, 10075), (2015, 9810), (2325, 8502), (2418, 8175), (2725, 7254), (2790, 7085), (2834, 6975), (2925, 6758), (3270, 6045), (3379, 5850), (3627, 5450), (4030, 4905), (4251, 4650)]