19557488

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{1901}}^1$

素因数の和:2552

約数の個数: 20

約数和(自身を含む): 37971528

約数和(自身を除く): 18414040

約数列:

[1, 2, 4, 8, 16, 643, 1286, 1901, 2572, 3802, 5144, 7604, 10288, 15208, 30416, 1222343, 2444686, 4889372, 9778744, 19557488]

約数ペア:

[(1, 19557488), (2, 9778744), (4, 4889372), (8, 2444686), (16, 1222343), (643, 30416), (1286, 15208), (1901, 10288), (2572, 7604), (3802, 5144)]