19723184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94823}}^1$

素因数の和:94844

約数の個数: 20

約数和(自身を含む): 41153616

約数和(自身を除く): 21430432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94823, 189646, 379292, 758584, 1232699, 1517168, 2465398, 4930796, 9861592, 19723184]

約数ペア:

[(1, 19723184), (2, 9861592), (4, 4930796), (8, 2465398), (13, 1517168), (16, 1232699), (26, 758584), (52, 379292), (104, 189646), (208, 94823)]