19727824

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{1871}}^1$

素因数の和:2538

約数の個数: 20

約数和(自身を含む): 38301120

約数和(自身を除く): 18573296

約数列:

[1, 2, 4, 8, 16, 659, 1318, 1871, 2636, 3742, 5272, 7484, 10544, 14968, 29936, 1232989, 2465978, 4931956, 9863912, 19727824]

約数ペア:

[(1, 19727824), (2, 9863912), (4, 4931956), (8, 2465978), (16, 1232989), (659, 29936), (1318, 14968), (1871, 10544), (2636, 7484), (3742, 5272)]