19443620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138883}}^1$

素因数の和:138899

約数の個数: 24

約数和(自身を含む): 46665024

約数和(自身を除く): 27221404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138883, 277766, 555532, 694415, 972181, 1388830, 1944362, 2777660, 3888724, 4860905, 9721810, 19443620]

約数ペア:

[(1, 19443620), (2, 9721810), (4, 4860905), (5, 3888724), (7, 2777660), (10, 1944362), (14, 1388830), (20, 972181), (28, 694415), (35, 555532), (70, 277766), (140, 138883)]