18915009

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 25946112

約数和(自身を除く): 7031103

約数列:

[1, 3, 47, 141, 163, 489, 823, 2469, 7661, 22983, 38681, 116043, 134149, 402447, 6305003, 18915009]

約数ペア:

[(1, 18915009), (3, 6305003), (47, 402447), (141, 134149), (163, 116043), (489, 38681), (823, 22983), (2469, 7661)]