19242975

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 33426432

約数和(自身を除く): 14183457

約数列:

[1, 3, 5, 15, 25, 47, 53, 75, 103, 141, 159, 235, 265, 309, 515, 705, 795, 1175, 1325, 1545, 2491, 2575, 3525, 3975, 4841, 5459, 7473, 7725, 12455, 14523, 16377, 24205, 27295, 37365, 62275, 72615, 81885, 121025, 136475, 186825, 256573, 363075, 409425, 769719, 1282865, 3848595, 6414325, 19242975]

約数ペア:

[(1, 19242975), (3, 6414325), (5, 3848595), (15, 1282865), (25, 769719), (47, 409425), (53, 363075), (75, 256573), (103, 186825), (141, 136475), (159, 121025), (235, 81885), (265, 72615), (309, 62275), (515, 37365), (705, 27295), (795, 24205), (1175, 16377), (1325, 14523), (1545, 12455), (2491, 7725), (2575, 7473), (3525, 5459), (3975, 4841)]