19955085

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4909}}^1$

素因数の和:5188

約数の個数: 16

約数和(自身を含む): 32052480

約数和(自身を除く): 12097395

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 4909, 14727, 24545, 73635, 1330339, 3991017, 6651695, 19955085]

約数ペア:

[(1, 19955085), (3, 6651695), (5, 3991017), (15, 1330339), (271, 73635), (813, 24545), (1355, 14727), (4065, 4909)]