18503289

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2083}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 32010240

約数和(自身を除く): 13506951

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2083, 2961, 6249, 8883, 14581, 18747, 43743, 56241, 97901, 131229, 293703, 393687, 685307, 881109, 2055921, 2643327, 6167763, 18503289]

約数ペア:

[(1, 18503289), (3, 6167763), (7, 2643327), (9, 2055921), (21, 881109), (27, 685307), (47, 393687), (63, 293703), (141, 131229), (189, 97901), (329, 56241), (423, 43743), (987, 18747), (1269, 14581), (2083, 8883), (2961, 6249)]