18821434

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 10007366

約数列:

[1, 2, 79, 139, 158, 278, 857, 1714, 10981, 21962, 67703, 119123, 135406, 238246, 9410717, 18821434]

約数ペア:

[(1, 18821434), (2, 9410717), (79, 238246), (139, 135406), (158, 119123), (278, 67703), (857, 21962), (1714, 10981)]