19754488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189947}}^1$

素因数の和:189966

約数の個数: 16

約数和(自身を含む): 39889080

約数和(自身を除く): 20134592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189947, 379894, 759788, 1519576, 2469311, 4938622, 9877244, 19754488]

約数ペア:

[(1, 19754488), (2, 9877244), (4, 4938622), (8, 2469311), (13, 1519576), (26, 759788), (52, 379894), (104, 189947)]