19297135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 27542592

約数和(自身を除く): 8245457

約数列:

[1, 5, 11, 13, 55, 65, 137, 143, 197, 685, 715, 985, 1507, 1781, 2167, 2561, 7535, 8905, 10835, 12805, 19591, 26989, 28171, 97955, 134945, 140855, 296879, 350857, 1484395, 1754285, 3859427, 19297135]

約数ペア:

[(1, 19297135), (5, 3859427), (11, 1754285), (13, 1484395), (55, 350857), (65, 296879), (137, 140855), (143, 134945), (197, 97955), (685, 28171), (715, 26989), (985, 19591), (1507, 12805), (1781, 10835), (2167, 8905), (2561, 7535)]