19438623

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5581}}^1$

素因数の和:5636

約数の個数: 20

約数和(自身を含む): 29718568

約数和(自身を除く): 10279945

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5581, 16743, 50229, 150687, 239983, 452061, 719949, 2159847, 6479541, 19438623]

約数ペア:

[(1, 19438623), (3, 6479541), (9, 2159847), (27, 719949), (43, 452061), (81, 239983), (129, 150687), (387, 50229), (1161, 16743), (3483, 5581)]