19903866

素因数分解:

$2^1\times 3^1\times {\mathrm{271}}^1\times {\mathrm{12241}}^1$

素因数の和:12517

約数の個数: 16

約数和(自身を含む): 39957888

約数和(自身を除く): 20054022

約数列:

[1, 2, 3, 6, 271, 542, 813, 1626, 12241, 24482, 36723, 73446, 3317311, 6634622, 9951933, 19903866]

約数ペア:

[(1, 19903866), (2, 9951933), (3, 6634622), (6, 3317311), (271, 73446), (542, 36723), (813, 24482), (1626, 12241)]