19388415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 33143040

約数和(自身を除く): 13754625

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 547, 695, 1641, 2085, 2363, 2735, 7089, 8205, 9299, 11815, 27897, 35445, 46495, 76033, 139485, 228099, 380165, 1140495, 1292561, 3877683, 6462805, 19388415]

約数ペア:

[(1, 19388415), (3, 6462805), (5, 3877683), (15, 1292561), (17, 1140495), (51, 380165), (85, 228099), (139, 139485), (255, 76033), (417, 46495), (547, 35445), (695, 27897), (1641, 11815), (2085, 9299), (2363, 8205), (2735, 7089)]