18839858

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 28684800

約数和(自身を除く): 9844942

約数列:

[1, 2, 149, 191, 298, 331, 382, 662, 28459, 49319, 56918, 63221, 98638, 126442, 9419929, 18839858]

約数ペア:

[(1, 18839858), (2, 9419929), (149, 126442), (191, 98638), (298, 63221), (331, 56918), (382, 49319), (662, 28459)]