18925743

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 27232128

約数和(自身を除く): 8306385

約数列:

[1, 3, 17, 51, 83, 249, 263, 289, 789, 867, 1411, 4233, 4471, 13413, 21829, 23987, 65487, 71961, 76007, 228021, 371093, 1113279, 6308581, 18925743]

約数ペア:

[(1, 18925743), (3, 6308581), (17, 1113279), (51, 371093), (83, 228021), (249, 76007), (263, 71961), (289, 65487), (789, 23987), (867, 21829), (1411, 13413), (4233, 4471)]