19961025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 38104704

約数和(自身を除く): 18143679

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 193, 197, 525, 579, 591, 965, 985, 1351, 1379, 2895, 2955, 4053, 4137, 4825, 4925, 6755, 6895, 14475, 14775, 20265, 20685, 33775, 34475, 38021, 101325, 103425, 114063, 190105, 266147, 570315, 798441, 950525, 1330735, 2851575, 3992205, 6653675, 19961025]

約数ペア:

[(1, 19961025), (3, 6653675), (5, 3992205), (7, 2851575), (15, 1330735), (21, 950525), (25, 798441), (35, 570315), (75, 266147), (105, 190105), (175, 114063), (193, 103425), (197, 101325), (525, 38021), (579, 34475), (591, 33775), (965, 20685), (985, 20265), (1351, 14775), (1379, 14475), (2895, 6895), (2955, 6755), (4053, 4925), (4137, 4825)]