18886293

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9118827

約数列:

[1, 3, 9, 79, 101, 237, 263, 303, 711, 789, 909, 2367, 7979, 20777, 23937, 26563, 62331, 71811, 79689, 186993, 239067, 2098477, 6295431, 18886293]

約数ペア:

[(1, 18886293), (3, 6295431), (9, 2098477), (79, 239067), (101, 186993), (237, 79689), (263, 71811), (303, 62331), (711, 26563), (789, 23937), (909, 20777), (2367, 7979)]