19453147

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 24246432

約数和(自身を除く): 4793285

約数列:

[1, 7, 23, 41, 49, 161, 287, 421, 943, 1127, 2009, 2947, 6601, 9683, 17261, 20629, 46207, 67781, 120827, 397003, 474467, 845789, 2779021, 19453147]

約数ペア:

[(1, 19453147), (7, 2779021), (23, 845789), (41, 474467), (49, 397003), (161, 120827), (287, 67781), (421, 46207), (943, 20629), (1127, 17261), (2009, 9683), (2947, 6601)]