18790289

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 22398720

約数和(自身を除く): 3608431

約数列:

[1, 7, 29, 151, 203, 613, 1057, 4291, 4379, 17777, 30653, 92563, 124439, 647941, 2684327, 18790289]

約数ペア:

[(1, 18790289), (7, 2684327), (29, 647941), (151, 124439), (203, 92563), (613, 30653), (1057, 17777), (4291, 4379)]