18928041

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13339}}^1$

素因数の和:13396

約数の個数: 16

約数和(自身を含む): 28174080

約数和(自身を除く): 9246039

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13339, 40017, 146729, 440187, 573577, 1720731, 6309347, 18928041]

約数ペア:

[(1, 18928041), (3, 6309347), (11, 1720731), (33, 573577), (43, 440187), (129, 146729), (473, 40017), (1419, 13339)]