16857845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 22158240

約数和(自身を除く): 5300395

約数列:

[1, 5, 19, 29, 95, 145, 211, 551, 841, 1055, 2755, 4009, 4205, 6119, 15979, 20045, 30595, 79895, 116261, 177451, 581305, 887255, 3371569, 16857845]

約数ペア:

[(1, 16857845), (5, 3371569), (19, 887255), (29, 581305), (95, 177451), (145, 116261), (211, 79895), (551, 30595), (841, 20045), (1055, 15979), (2755, 6119), (4009, 4205)]