19706817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5003}}^1$

素因数の和:5120

約数の個数: 16

約数和(自身を含む): 28582848

約数和(自身を除く): 8876031

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5003, 15009, 65039, 195117, 505303, 1515909, 6568939, 19706817]

約数ペア:

[(1, 19706817), (3, 6568939), (13, 1515909), (39, 505303), (101, 195117), (303, 65039), (1313, 15009), (3939, 5003)]