18649953

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{977}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 31921920

約数和(自身を除く): 13271967

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 977, 2121, 2727, 2931, 6363, 6839, 8793, 19089, 20517, 26379, 61551, 98677, 184653, 296031, 690739, 888093, 2072217, 2664279, 6216651, 18649953]

約数ペア:

[(1, 18649953), (3, 6216651), (7, 2664279), (9, 2072217), (21, 888093), (27, 690739), (63, 296031), (101, 184653), (189, 98677), (303, 61551), (707, 26379), (909, 20517), (977, 19089), (2121, 8793), (2727, 6839), (2931, 6363)]