19404849

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 7448271

約数列:

[1, 3, 41, 79, 123, 237, 1997, 3239, 5991, 9717, 81877, 157763, 245631, 473289, 6468283, 19404849]

約数ペア:

[(1, 19404849), (3, 6468283), (41, 473289), (79, 245631), (123, 157763), (237, 81877), (1997, 9717), (3239, 5991)]