18780513

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 26150400

約数和(自身を除く): 7369887

約数列:

[1, 3, 31, 89, 93, 267, 2269, 2759, 6807, 8277, 70339, 201941, 211017, 605823, 6260171, 18780513]

約数ペア:

[(1, 18780513), (3, 6260171), (31, 605823), (89, 211017), (93, 201941), (267, 70339), (2269, 8277), (2759, 6807)]