18304531

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 21461184

約数和(自身を除く): 3156653

約数列:

[1, 7, 73, 113, 317, 511, 791, 2219, 8249, 23141, 35821, 57743, 161987, 250747, 2614933, 18304531]

約数ペア:

[(1, 18304531), (7, 2614933), (73, 250747), (113, 161987), (317, 57743), (511, 35821), (791, 23141), (2219, 8249)]