18957978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{81017}}^1$

素因数の和:81038

約数の個数: 24

約数和(自身を含む): 44235828

約数和(自身を除く): 25277850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 81017, 162034, 243051, 486102, 729153, 1053221, 1458306, 2106442, 3159663, 6319326, 9478989, 18957978]

約数ペア:

[(1, 18957978), (2, 9478989), (3, 6319326), (6, 3159663), (9, 2106442), (13, 1458306), (18, 1053221), (26, 729153), (39, 486102), (78, 243051), (117, 162034), (234, 81017)]