16988109

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 23930880

約数和(自身を除く): 6942771

約数列:

[1, 3, 19, 57, 491, 607, 1473, 1821, 9329, 11533, 27987, 34599, 298037, 894111, 5662703, 16988109]

約数ペア:

[(1, 16988109), (3, 5662703), (19, 894111), (57, 298037), (491, 34599), (607, 27987), (1473, 11533), (1821, 9329)]