18138064

素因数分解:

$2^4\times 7^1\times {\mathrm{161947}}^1$

素因数の和:161962

約数の個数: 20

約数和(自身を含む): 40163104

約数和(自身を除く): 22025040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161947, 323894, 647788, 1133629, 1295576, 2267258, 2591152, 4534516, 9069032, 18138064]

約数ペア:

[(1, 18138064), (2, 9069032), (4, 4534516), (7, 2591152), (8, 2267258), (14, 1295576), (16, 1133629), (28, 647788), (56, 323894), (112, 161947)]