19505035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 28242432

約数和(自身を除く): 8737397

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 907, 935, 1265, 1955, 4301, 4535, 9977, 15419, 20861, 21505, 49885, 77095, 104305, 169609, 229471, 354637, 848045, 1147355, 1773185, 3901007, 19505035]

約数ペア:

[(1, 19505035), (5, 3901007), (11, 1773185), (17, 1147355), (23, 848045), (55, 354637), (85, 229471), (115, 169609), (187, 104305), (253, 77095), (391, 49885), (907, 21505), (935, 20861), (1265, 15419), (1955, 9977), (4301, 4535)]