129405618

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{378379}}^1$

素因数の和:378406

約数の個数: 24

約数和(自身を含む): 295136400

約数和(自身を除く): 165730782

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 378379, 756758, 1135137, 2270274, 3405411, 6810822, 7189201, 14378402, 21567603, 43135206, 64702809, 129405618]

約数ペア:

[(1, 129405618), (2, 64702809), (3, 43135206), (6, 21567603), (9, 14378402), (18, 7189201), (19, 6810822), (38, 3405411), (57, 2270274), (114, 1135137), (171, 756758), (342, 378379)]