19042280

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{811}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 42971040

約数和(自身を除く): 23928760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 811, 1174, 1622, 2348, 2935, 3244, 4055, 4696, 5870, 6488, 8110, 11740, 16220, 23480, 32440, 476057, 952114, 1904228, 2380285, 3808456, 4760570, 9521140, 19042280]

約数ペア:

[(1, 19042280), (2, 9521140), (4, 4760570), (5, 3808456), (8, 2380285), (10, 1904228), (20, 952114), (40, 476057), (587, 32440), (811, 23480), (1174, 16220), (1622, 11740), (2348, 8110), (2935, 6488), (3244, 5870), (4055, 4696)]