19218481

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 21237760

約数和(自身を除く): 2019279

約数列:

[1, 19, 31, 67, 487, 589, 1273, 2077, 9253, 15097, 32629, 39463, 286843, 619951, 1011499, 19218481]

約数ペア:

[(1, 19218481), (19, 1011499), (31, 619951), (67, 286843), (487, 39463), (589, 32629), (1273, 15097), (2077, 9253)]