18945489

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{653}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 26683200

約数和(自身を除く): 7737711

約数列:

[1, 3, 19, 57, 509, 653, 1527, 1959, 9671, 12407, 29013, 37221, 332377, 997131, 6315163, 18945489]

約数ペア:

[(1, 18945489), (3, 6315163), (19, 997131), (57, 332377), (509, 37221), (653, 29013), (1527, 12407), (1959, 9671)]