18371493

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 30453696

約数和(自身を除く): 12082203

約数列:

[1, 3, 7, 9, 21, 63, 331, 881, 993, 2317, 2643, 2979, 6167, 6951, 7929, 18501, 20853, 55503, 291611, 874833, 2041277, 2624499, 6123831, 18371493]

約数ペア:

[(1, 18371493), (3, 6123831), (7, 2624499), (9, 2041277), (21, 874833), (63, 291611), (331, 55503), (881, 20853), (993, 18501), (2317, 7929), (2643, 6951), (2979, 6167)]