19802769

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 32808960

約数和(自身を除く): 13006191

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1601, 1767, 4123, 4803, 11207, 12369, 30419, 33621, 49631, 91257, 148893, 212933, 347417, 638799, 942989, 1042251, 2828967, 6600923, 19802769]

約数ペア:

[(1, 19802769), (3, 6600923), (7, 2828967), (19, 1042251), (21, 942989), (31, 638799), (57, 347417), (93, 212933), (133, 148893), (217, 91257), (399, 49631), (589, 33621), (651, 30419), (1601, 12369), (1767, 11207), (4123, 4803)]