18986074

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{853}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 29514240

約数和(自身を除く): 10528166

約数列:

[1, 2, 31, 62, 359, 718, 853, 1706, 11129, 22258, 26443, 52886, 306227, 612454, 9493037, 18986074]

約数ペア:

[(1, 18986074), (2, 9493037), (31, 612454), (62, 306227), (359, 52886), (718, 26443), (853, 22258), (1706, 11129)]