19384615

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3186

約数の個数: 16

約数和(自身を含む): 24631200

約数和(自身を除く): 5246585

約数列:

[1, 5, 29, 43, 145, 215, 1247, 3109, 6235, 15545, 90161, 133687, 450805, 668435, 3876923, 19384615]

約数ペア:

[(1, 19384615), (5, 3876923), (29, 668435), (43, 450805), (145, 133687), (215, 90161), (1247, 15545), (3109, 6235)]