18700011

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11943189

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 237, 297, 711, 797, 869, 2133, 2391, 2607, 7173, 7821, 8767, 21519, 23463, 26301, 62963, 78903, 188889, 236709, 566667, 692593, 1700001, 2077779, 6233337, 18700011]

約数ペア:

[(1, 18700011), (3, 6233337), (9, 2077779), (11, 1700001), (27, 692593), (33, 566667), (79, 236709), (99, 188889), (237, 78903), (297, 62963), (711, 26301), (797, 23463), (869, 21519), (2133, 8767), (2391, 7821), (2607, 7173)]