18862829

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 20490624

約数和(自身を除く): 1627795

約数列:

[1, 23, 41, 83, 241, 943, 1909, 3403, 5543, 9881, 20003, 78269, 227263, 460069, 820123, 18862829]

約数ペア:

[(1, 18862829), (23, 820123), (41, 460069), (83, 227263), (241, 78269), (943, 20003), (1909, 9881), (3403, 5543)]