18468538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5347}}^1$

素因数の和:5517

約数の個数: 16

約数和(自身を含む): 30419424

約数和(自身を除く): 11950886

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5347, 10694, 58817, 117634, 839479, 1678958, 9234269, 18468538]

約数ペア:

[(1, 18468538), (2, 9234269), (11, 1678958), (22, 839479), (157, 117634), (314, 58817), (1727, 10694), (3454, 5347)]