19716750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 57507840

約数和(自身を除く): 37791090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 50, 54, 69, 75, 90, 115, 125, 127, 135, 138, 150, 207, 225, 230, 250, 254, 270, 345, 375, 381, 414, 450, 575, 621, 635, 675, 690, 750, 762, 1035, 1125, 1143, 1150, 1242, 1270, 1350, 1725, 1905, 2070, 2250, 2286, 2875, 2921, 3105, 3175, 3375, 3429, 3450, 3810, 5175, 5715, 5750, 5842, 6210, 6350, 6750, 6858, 8625, 8763, 9525, 10350, 11430, 14605, 15525, 15875, 17145, 17250, 17526, 19050, 25875, 26289, 28575, 29210, 31050, 31750, 34290, 43815, 47625, 51750, 52578, 57150, 73025, 77625, 78867, 85725, 87630, 95250, 131445, 142875, 146050, 155250, 157734, 171450, 219075, 262890, 285750, 365125, 394335, 428625, 438150, 657225, 730250, 788670, 857250, 1095375, 1314450, 1971675, 2190750, 3286125, 3943350, 6572250, 9858375, 19716750]

約数ペア:

[(1, 19716750), (2, 9858375), (3, 6572250), (5, 3943350), (6, 3286125), (9, 2190750), (10, 1971675), (15, 1314450), (18, 1095375), (23, 857250), (25, 788670), (27, 730250), (30, 657225), (45, 438150), (46, 428625), (50, 394335), (54, 365125), (69, 285750), (75, 262890), (90, 219075), (115, 171450), (125, 157734), (127, 155250), (135, 146050), (138, 142875), (150, 131445), (207, 95250), (225, 87630), (230, 85725), (250, 78867), (254, 77625), (270, 73025), (345, 57150), (375, 52578), (381, 51750), (414, 47625), (450, 43815), (575, 34290), (621, 31750), (635, 31050), (675, 29210), (690, 28575), (750, 26289), (762, 25875), (1035, 19050), (1125, 17526), (1143, 17250), (1150, 17145), (1242, 15875), (1270, 15525), (1350, 14605), (1725, 11430), (1905, 10350), (2070, 9525), (2250, 8763), (2286, 8625), (2875, 6858), (2921, 6750), (3105, 6350), (3175, 6210), (3375, 5842), (3429, 5750), (3450, 5715), (3810, 5175)]