18879343

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 22694400

約数和(自身を除く): 3815057

約数列:

[1, 7, 23, 149, 161, 787, 1043, 3427, 5509, 18101, 23989, 117263, 126707, 820841, 2697049, 18879343]

約数ペア:

[(1, 18879343), (7, 2697049), (23, 820841), (149, 126707), (161, 117263), (787, 23989), (1043, 18101), (3427, 5509)]