18067973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{509}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 4551547

約数列:

[1, 7, 11, 77, 461, 509, 3227, 3563, 5071, 5599, 35497, 39193, 234649, 1642543, 2581139, 18067973]

約数ペア:

[(1, 18067973), (7, 2581139), (11, 1642543), (77, 234649), (461, 39193), (509, 35497), (3227, 5599), (3563, 5071)]