18681591

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 25436160

約数和(自身を除く): 6754569

約数列:

[1, 3, 71, 213, 229, 383, 687, 1149, 16259, 27193, 48777, 81579, 87707, 263121, 6227197, 18681591]

約数ペア:

[(1, 18681591), (3, 6227197), (71, 263121), (213, 87707), (229, 81579), (383, 48777), (687, 27193), (1149, 16259)]