18115341

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 26151840

約数和(自身を除く): 8036499

約数列:

[1, 3, 19, 43, 57, 129, 361, 389, 817, 1083, 1167, 2451, 7391, 15523, 16727, 22173, 46569, 50181, 140429, 317813, 421287, 953439, 6038447, 18115341]

約数ペア:

[(1, 18115341), (3, 6038447), (19, 953439), (43, 421287), (57, 317813), (129, 140429), (361, 50181), (389, 46569), (817, 22173), (1083, 16727), (1167, 15523), (2451, 7391)]