19013516

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66949}}^1$

素因数の和:67024

約数の個数: 12

約数和(自身を含む): 33742800

約数和(自身を除く): 14729284

約数列:

[1, 2, 4, 71, 142, 284, 66949, 133898, 267796, 4753379, 9506758, 19013516]

約数ペア:

[(1, 19013516), (2, 9506758), (4, 4753379), (71, 267796), (142, 133898), (284, 66949)]