9979978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1653

約数の個数: 16

約数和(自身を含む): 15855840

約数和(自身を除く): 5875862

約数列:

[1, 2, 19, 38, 181, 362, 1451, 2902, 3439, 6878, 27569, 55138, 262631, 525262, 4989989, 9979978]

約数ペア:

[(1, 9979978), (2, 4989989), (19, 525262), (38, 262631), (181, 55138), (362, 27569), (1451, 6878), (2902, 3439)]