18038377420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128845553}}^1$

素因数の和:128845569

約数の個数: 24

約数和(自身を含む): 43292106144

約数和(自身を除く): 25253728724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128845553, 257691106, 515382212, 644227765, 901918871, 1288455530, 1803837742, 2576911060, 3607675484, 4509594355, 9019188710, 18038377420]

約数ペア:

[(1, 18038377420), (2, 9019188710), (4, 4509594355), (5, 3607675484), (7, 2576911060), (10, 1803837742), (14, 1288455530), (20, 901918871), (28, 644227765), (35, 515382212), (70, 257691106), (140, 128845553)]