19663406

素因数分解:

$2^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{709}}^1$

素因数の和:1008

約数の個数: 24

約数和(自身を含む): 34480440

約数和(自身を除く): 14817034

約数列:

[1, 2, 7, 14, 49, 98, 283, 566, 709, 1418, 1981, 3962, 4963, 9926, 13867, 27734, 34741, 69482, 200647, 401294, 1404529, 2809058, 9831703, 19663406]

約数ペア:

[(1, 19663406), (2, 9831703), (7, 2809058), (14, 1404529), (49, 401294), (98, 200647), (283, 69482), (566, 34741), (709, 27734), (1418, 13867), (1981, 9926), (3962, 4963)]