19157397

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6563}}^1$

素因数の和:6712

約数の個数: 16

約数和(自身を含む): 29406720

約数和(自身を除く): 10249323

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6563, 19689, 45941, 137823, 912257, 2736771, 6385799, 19157397]

約数ペア:

[(1, 19157397), (3, 6385799), (7, 2736771), (21, 912257), (139, 137823), (417, 45941), (973, 19689), (2919, 6563)]