19513016

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{613}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 38460960

約数和(自身を除く): 18947944

約数列:

[1, 2, 4, 8, 23, 46, 92, 173, 184, 346, 613, 692, 1226, 1384, 2452, 3979, 4904, 7958, 14099, 15916, 28198, 31832, 56396, 106049, 112792, 212098, 424196, 848392, 2439127, 4878254, 9756508, 19513016]

約数ペア:

[(1, 19513016), (2, 9756508), (4, 4878254), (8, 2439127), (23, 848392), (46, 424196), (92, 212098), (173, 112792), (184, 106049), (346, 56396), (613, 31832), (692, 28198), (1226, 15916), (1384, 14099), (2452, 7958), (3979, 4904)]