18038709

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 28599480

約数和(自身を除く): 10560771

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 2909, 6201, 8727, 26181, 37817, 113451, 154177, 340353, 462531, 1387593, 2004301, 6012903, 18038709]

約数ペア:

[(1, 18038709), (3, 6012903), (9, 2004301), (13, 1387593), (39, 462531), (53, 340353), (117, 154177), (159, 113451), (477, 37817), (689, 26181), (2067, 8727), (2909, 6201)]