18797923

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 20401920

約数和(自身を除く): 1603997

約数列:

[1, 23, 43, 83, 229, 989, 1909, 3569, 5267, 9847, 19007, 82087, 226481, 437161, 817301, 18797923]

約数ペア:

[(1, 18797923), (23, 817301), (43, 437161), (83, 226481), (229, 82087), (989, 19007), (1909, 9847), (3569, 5267)]