18821358

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{24317}}^1$

素因数の和:24368

約数の個数: 24

約数和(自身を含む): 41729688

約数和(自身を除く): 22908330

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 24317, 48634, 72951, 145902, 218853, 437706, 1045631, 2091262, 3136893, 6273786, 9410679, 18821358]

約数ペア:

[(1, 18821358), (2, 9410679), (3, 6273786), (6, 3136893), (9, 2091262), (18, 1045631), (43, 437706), (86, 218853), (129, 145902), (258, 72951), (387, 48634), (774, 24317)]