19728494

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:667

約数の個数: 16

約数和(自身を含む): 30024000

約数和(自身を除く): 10295506

約数列:

[1, 2, 149, 239, 277, 298, 478, 554, 35611, 41273, 66203, 71222, 82546, 132406, 9864247, 19728494]

約数ペア:

[(1, 19728494), (2, 9864247), (149, 132406), (239, 82546), (277, 71222), (298, 66203), (478, 41273), (554, 35611)]