20189098071

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39354967}}^1$

素因数の和:39354995

約数の個数: 16

約数和(自身を含む): 31483974400

約数和(自身を除く): 11294876329

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39354967, 118064901, 354194703, 747744373, 1062584109, 2243233119, 6729699357, 20189098071]

約数ペア:

[(1, 20189098071), (3, 6729699357), (9, 2243233119), (19, 1062584109), (27, 747744373), (57, 354194703), (171, 118064901), (513, 39354967)]