19073405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 26798688

約数和(自身を除く): 7725283

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 421, 533, 697, 1105, 2105, 2665, 3485, 5473, 7157, 9061, 17261, 27365, 35785, 45305, 86305, 93041, 224393, 293437, 465205, 1121965, 1467185, 3814681, 19073405]

約数ペア:

[(1, 19073405), (5, 3814681), (13, 1467185), (17, 1121965), (41, 465205), (65, 293437), (85, 224393), (205, 93041), (221, 86305), (421, 45305), (533, 35785), (697, 27365), (1105, 17261), (2105, 9061), (2665, 7157), (3485, 5473)]