18052420

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2557}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 38032344

約数和(自身を除く): 19979924

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2557, 3530, 5114, 7060, 10228, 12785, 25570, 51140, 902621, 1805242, 3610484, 4513105, 9026210, 18052420]

約数ペア:

[(1, 18052420), (2, 9026210), (4, 4513105), (5, 3610484), (10, 1805242), (20, 902621), (353, 51140), (706, 25570), (1412, 12785), (1765, 10228), (2557, 7060), (3530, 5114)]