18054260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128959}}^1$

素因数の和:128975

約数の個数: 24

約数和(自身を含む): 43330560

約数和(自身を除く): 25276300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128959, 257918, 515836, 644795, 902713, 1289590, 1805426, 2579180, 3610852, 4513565, 9027130, 18054260]

約数ペア:

[(1, 18054260), (2, 9027130), (4, 4513565), (5, 3610852), (7, 2579180), (10, 1805426), (14, 1289590), (20, 902713), (28, 644795), (35, 515836), (70, 257918), (140, 128959)]