18472671

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2273}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 32017920

約数和(自身を除く): 13545249

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2273, 2709, 6819, 8127, 15911, 20457, 47733, 61371, 97739, 143199, 293217, 429597, 684173, 879651, 2052519, 2638953, 6157557, 18472671]

約数ペア:

[(1, 18472671), (3, 6157557), (7, 2638953), (9, 2052519), (21, 879651), (27, 684173), (43, 429597), (63, 293217), (129, 143199), (189, 97739), (301, 61371), (387, 47733), (903, 20457), (1161, 15911), (2273, 8127), (2709, 6819)]