18021978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{77017}}^1$

素因数の和:77038

約数の個数: 24

約数和(自身を含む): 42051828

約数和(自身を除く): 24029850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 77017, 154034, 231051, 462102, 693153, 1001221, 1386306, 2002442, 3003663, 6007326, 9010989, 18021978]

約数ペア:

[(1, 18021978), (2, 9010989), (3, 6007326), (6, 3003663), (9, 2002442), (13, 1386306), (18, 1001221), (26, 693153), (39, 462102), (78, 231051), (117, 154034), (234, 77017)]