19499778

素因数分解:

$2^1\times 3^5\times {\mathrm{40123}}^1$

素因数の和:40140

約数の個数: 24

約数和(自身を含む): 43815408

約数和(自身を除く): 24315630

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 40123, 80246, 120369, 240738, 361107, 722214, 1083321, 2166642, 3249963, 6499926, 9749889, 19499778]

約数ペア:

[(1, 19499778), (2, 9749889), (3, 6499926), (6, 3249963), (9, 2166642), (18, 1083321), (27, 722214), (54, 361107), (81, 240738), (162, 120369), (243, 80246), (486, 40123)]