18850447

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 24533712

約数和(自身を除く): 5683265

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 853, 2009, 3157, 5971, 9383, 22099, 34973, 41797, 65681, 244811, 384703, 459767, 1713677, 2692921, 18850447]

約数ペア:

[(1, 18850447), (7, 2692921), (11, 1713677), (41, 459767), (49, 384703), (77, 244811), (287, 65681), (451, 41797), (539, 34973), (853, 22099), (2009, 9383), (3157, 5971)]