18262868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2237}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 34653192

約数和(自身を除く): 16390324

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2237, 4082, 4474, 8164, 8948, 29081, 58162, 116324, 351209, 702418, 1404836, 4565717, 9131434, 18262868]

約数ペア:

[(1, 18262868), (2, 9131434), (4, 4565717), (13, 1404836), (26, 702418), (52, 351209), (157, 116324), (314, 58162), (628, 29081), (2041, 8948), (2237, 8164), (4082, 4474)]