19561917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8161}}^1$

素因数の和:8228

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 8645955

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8161, 24483, 138737, 383567, 416211, 1150701, 6520639, 19561917]

約数ペア:

[(1, 19561917), (3, 6520639), (17, 1150701), (47, 416211), (51, 383567), (141, 138737), (799, 24483), (2397, 8161)]