19797245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4993}}^1$

素因数の和:5072

約数の個数: 16

約数和(自身を含む): 26008752

約数和(自身を除く): 6211507

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4993, 24965, 64909, 304573, 324545, 1522865, 3959449, 19797245]

約数ペア:

[(1, 19797245), (5, 3959449), (13, 1522865), (61, 324545), (65, 304573), (305, 64909), (793, 24965), (3965, 4993)]