19764579

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2531}}^1$

素因数の和:2690

約数の個数: 16

約数和(自身を含む): 27953280

約数和(自身を除く): 8188701

約数列:

[1, 3, 19, 57, 137, 411, 2531, 2603, 7593, 7809, 48089, 144267, 346747, 1040241, 6588193, 19764579]

約数ペア:

[(1, 19764579), (3, 6588193), (19, 1040241), (57, 346747), (137, 144267), (411, 48089), (2531, 7809), (2603, 7593)]