19906956

素因数分解:

$2^2\times 3^2\times {\mathrm{552971}}^1$

素因数の和:552981

約数の個数: 18

約数和(自身を含む): 50320452

約数和(自身を除く): 30413496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552971, 1105942, 1658913, 2211884, 3317826, 4976739, 6635652, 9953478, 19906956]

約数ペア:

[(1, 19906956), (2, 9953478), (3, 6635652), (4, 4976739), (6, 3317826), (9, 2211884), (12, 1658913), (18, 1105942), (36, 552971)]