19224709

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 23556960

約数和(自身を除く): 4332251

約数列:

[1, 7, 29, 49, 83, 163, 203, 581, 1141, 1421, 2407, 4067, 4727, 7987, 13529, 16849, 33089, 94703, 117943, 231623, 392341, 662921, 2746387, 19224709]

約数ペア:

[(1, 19224709), (7, 2746387), (29, 662921), (49, 392341), (83, 231623), (163, 117943), (203, 94703), (581, 33089), (1141, 16849), (1421, 13529), (2407, 7987), (4067, 4727)]