17980670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 24

約数和(自身を含む): 32877144

約数和(自身を除く): 14896474

約数列:

[1, 2, 5, 10, 89, 178, 227, 445, 454, 890, 1135, 2270, 7921, 15842, 20203, 39605, 40406, 79210, 101015, 202030, 1798067, 3596134, 8990335, 17980670]

約数ペア:

[(1, 17980670), (2, 8990335), (5, 3596134), (10, 1798067), (89, 202030), (178, 101015), (227, 79210), (445, 40406), (454, 39605), (890, 20203), (1135, 15842), (2270, 7921)]