19606405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 29691648

約数和(自身を除く): 10085243

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1051, 1435, 2665, 3731, 5255, 7357, 13663, 18655, 36785, 43091, 68315, 95641, 215455, 301637, 478205, 560183, 1508185, 2800915, 3921281, 19606405]

約数ペア:

[(1, 19606405), (5, 3921281), (7, 2800915), (13, 1508185), (35, 560183), (41, 478205), (65, 301637), (91, 215455), (205, 95641), (287, 68315), (455, 43091), (533, 36785), (1051, 18655), (1435, 13663), (2665, 7357), (3731, 5255)]