18217941

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45659}}^1$

素因数の和:45688

約数の個数: 16

約数和(自身を含む): 29222400

約数和(自身を除く): 11004459

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45659, 136977, 319613, 867521, 958839, 2602563, 6072647, 18217941]

約数ペア:

[(1, 18217941), (3, 6072647), (7, 2602563), (19, 958839), (21, 867521), (57, 319613), (133, 136977), (399, 45659)]