19155653804

素因数分解:

$2^2\times 7^1\times {\mathrm{684130493}}^1$

素因数の和:684130504

約数の個数: 12

約数和(自身を含む): 38311307664

約数和(自身を除く): 19155653860

約数列:

[1, 2, 4, 7, 14, 28, 684130493, 1368260986, 2736521972, 4788913451, 9577826902, 19155653804]

約数ペア:

[(1, 19155653804), (2, 9577826902), (4, 4788913451), (7, 2736521972), (14, 1368260986), (28, 684130493)]