18829909

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 22118400

約数和(自身を除く): 3288491

約数列:

[1, 7, 59, 127, 359, 413, 889, 2513, 7493, 21181, 45593, 52451, 148267, 319151, 2689987, 18829909]

約数ペア:

[(1, 18829909), (7, 2689987), (59, 319151), (127, 148267), (359, 52451), (413, 45593), (889, 21181), (2513, 7493)]