18780822

素因数分解:

$2^1\times 3^4\times {\mathrm{115931}}^1$

素因数の和:115945

約数の個数: 20

約数和(自身を含む): 42083316

約数和(自身を除く): 23302494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 115931, 231862, 347793, 695586, 1043379, 2086758, 3130137, 6260274, 9390411, 18780822]

約数ペア:

[(1, 18780822), (2, 9390411), (3, 6260274), (6, 3130137), (9, 2086758), (18, 1043379), (27, 695586), (54, 347793), (81, 231862), (162, 115931)]