18242420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130303}}^1$

素因数の和:130319

約数の個数: 24

約数和(自身を含む): 43782144

約数和(自身を除く): 25539724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130303, 260606, 521212, 651515, 912121, 1303030, 1824242, 2606060, 3648484, 4560605, 9121210, 18242420]

約数ペア:

[(1, 18242420), (2, 9121210), (4, 4560605), (5, 3648484), (7, 2606060), (10, 1824242), (14, 1303030), (20, 912121), (28, 651515), (35, 521212), (70, 260606), (140, 130303)]