18121684

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1297}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 36344000

約数和(自身を除く): 18222316

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1297, 1996, 2594, 3493, 5188, 6986, 9079, 13972, 18158, 36316, 647203, 1294406, 2588812, 4530421, 9060842, 18121684]

約数ペア:

[(1, 18121684), (2, 9060842), (4, 4530421), (7, 2588812), (14, 1294406), (28, 647203), (499, 36316), (998, 18158), (1297, 13972), (1996, 9079), (2594, 6986), (3493, 5188)]