18019323

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 29900000

約数和(自身を除く): 11880677

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1249, 1603, 2061, 3747, 4809, 8743, 11241, 14427, 26229, 78687, 286021, 858063, 2002147, 2574189, 6006441, 18019323]

約数ペア:

[(1, 18019323), (3, 6006441), (7, 2574189), (9, 2002147), (21, 858063), (63, 286021), (229, 78687), (687, 26229), (1249, 14427), (1603, 11241), (2061, 8743), (3747, 4809)]