19730265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13862055

約数列:

[1, 3, 5, 15, 19, 57, 95, 107, 285, 321, 535, 647, 1605, 1941, 2033, 3235, 6099, 9705, 10165, 12293, 30495, 36879, 61465, 69229, 184395, 207687, 346145, 1038435, 1315351, 3946053, 6576755, 19730265]

約数ペア:

[(1, 19730265), (3, 6576755), (5, 3946053), (15, 1315351), (19, 1038435), (57, 346145), (95, 207687), (107, 184395), (285, 69229), (321, 61465), (535, 36879), (647, 30495), (1605, 12293), (1941, 10165), (2033, 9705), (3235, 6099)]