19663956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42017}}^1$

素因数の和:42040

約数の個数: 36

約数和(自身を含む): 53530932

約数和(自身を除く): 33866976

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42017, 84034, 126051, 168068, 252102, 378153, 504204, 546221, 756306, 1092442, 1512612, 1638663, 2184884, 3277326, 4915989, 6554652, 9831978, 19663956]

約数ペア:

[(1, 19663956), (2, 9831978), (3, 6554652), (4, 4915989), (6, 3277326), (9, 2184884), (12, 1638663), (13, 1512612), (18, 1092442), (26, 756306), (36, 546221), (39, 504204), (52, 378153), (78, 252102), (117, 168068), (156, 126051), (234, 84034), (468, 42017)]