18645970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38053}}^1$

素因数の和:38074

約数の個数: 24

約数和(自身を含む): 39043404

約数和(自身を除く): 20397434

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38053, 76106, 190265, 266371, 380530, 532742, 1331855, 1864597, 2663710, 3729194, 9322985, 18645970]

約数ペア:

[(1, 18645970), (2, 9322985), (5, 3729194), (7, 2663710), (10, 1864597), (14, 1331855), (35, 532742), (49, 380530), (70, 266371), (98, 190265), (245, 76106), (490, 38053)]