18918395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2053}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 24155040

約数和(自身を除く): 5236645

約数列:

[1, 5, 19, 95, 97, 485, 1843, 2053, 9215, 10265, 39007, 195035, 199141, 995705, 3783679, 18918395]

約数ペア:

[(1, 18918395), (5, 3783679), (19, 995705), (95, 199141), (97, 195035), (485, 39007), (1843, 10265), (2053, 9215)]