18364385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 24208704

約数和(自身を除く): 5844319

約数列:

[1, 5, 13, 65, 103, 169, 211, 515, 845, 1055, 1339, 2743, 6695, 13715, 17407, 21733, 35659, 87035, 108665, 178295, 282529, 1412645, 3672877, 18364385]

約数ペア:

[(1, 18364385), (5, 3672877), (13, 1412645), (65, 282529), (103, 178295), (169, 108665), (211, 87035), (515, 35659), (845, 21733), (1055, 17407), (1339, 13715), (2743, 6695)]