18385507

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 22750560

約数和(自身を除く): 4365053

約数列:

[1, 7, 29, 41, 47, 203, 287, 329, 1189, 1363, 1927, 2209, 8323, 9541, 13489, 15463, 55883, 64061, 90569, 391181, 448427, 633983, 2626501, 18385507]

約数ペア:

[(1, 18385507), (7, 2626501), (29, 633983), (41, 448427), (47, 391181), (203, 90569), (287, 64061), (329, 55883), (1189, 15463), (1363, 13489), (1927, 9541), (2209, 8323)]