18998164

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 34496000

約数和(自身を除く): 15497836

約数列:

[1, 2, 4, 31, 62, 124, 349, 439, 698, 878, 1396, 1756, 10819, 13609, 21638, 27218, 43276, 54436, 153211, 306422, 612844, 4749541, 9499082, 18998164]

約数ペア:

[(1, 18998164), (2, 9499082), (4, 4749541), (31, 612844), (62, 306422), (124, 153211), (349, 54436), (439, 43276), (698, 27218), (878, 21638), (1396, 13609), (1756, 10819)]