19931205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2287}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 16969659

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2287, 2905, 6861, 8715, 11435, 16009, 34305, 48027, 80045, 189821, 240135, 569463, 949105, 1328747, 2847315, 3986241, 6643735, 19931205]

約数ペア:

[(1, 19931205), (3, 6643735), (5, 3986241), (7, 2847315), (15, 1328747), (21, 949105), (35, 569463), (83, 240135), (105, 189821), (249, 80045), (415, 48027), (581, 34305), (1245, 16009), (1743, 11435), (2287, 8715), (2905, 6861)]