19439623

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 24164352

約数和(自身を除く): 4724729

約数列:

[1, 7, 23, 47, 49, 161, 329, 367, 1081, 1127, 2303, 2569, 7567, 8441, 17249, 17983, 52969, 59087, 120743, 396727, 413609, 845201, 2777089, 19439623]

約数ペア:

[(1, 19439623), (7, 2777089), (23, 845201), (47, 413609), (49, 396727), (161, 120743), (329, 59087), (367, 52969), (1081, 17983), (1127, 17249), (2303, 8441), (2569, 7567)]