19907065

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1747}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 24919488

約数和(自身を除く): 5012423

約数列:

[1, 5, 43, 53, 215, 265, 1747, 2279, 8735, 11395, 75121, 92591, 375605, 462955, 3981413, 19907065]

約数ペア:

[(1, 19907065), (5, 3981413), (43, 462955), (53, 375605), (215, 92591), (265, 75121), (1747, 11395), (2279, 8735)]