18922445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9679}}^1$

素因数の和:9724

約数の個数: 16

約数和(自身を含む): 25090560

約数和(自身を除く): 6168115

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 9679, 48395, 164543, 222617, 822715, 1113085, 3784489, 18922445]

約数ペア:

[(1, 18922445), (5, 3784489), (17, 1113085), (23, 822715), (85, 222617), (115, 164543), (391, 48395), (1955, 9679)]