19902856

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{23251}}^1$

素因数の和:23364

約数の個数: 16

約数和(自身を含む): 37668240

約数和(自身を除く): 17765384

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 23251, 46502, 93004, 186008, 2487857, 4975714, 9951428, 19902856]

約数ペア:

[(1, 19902856), (2, 9951428), (4, 4975714), (8, 2487857), (107, 186008), (214, 93004), (428, 46502), (856, 23251)]