19992585

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3181}}^1$

素因数の和:3608

約数の個数: 16

約数和(自身を含む): 32074560

約数和(自身を除く): 12081975

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 3181, 6285, 9543, 15905, 47715, 1332839, 3998517, 6664195, 19992585]

約数ペア:

[(1, 19992585), (3, 6664195), (5, 3998517), (15, 1332839), (419, 47715), (1257, 15905), (2095, 9543), (3181, 6285)]