19825694

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2003}}^1$

素因数の和:2120

約数の個数: 24

約数和(自身を含む): 34953768

約数和(自身を除く): 15128074

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 2003, 4006, 4949, 9898, 14021, 28042, 98147, 196294, 202303, 404606, 1416121, 2832242, 9912847, 19825694]

約数ペア:

[(1, 19825694), (2, 9912847), (7, 2832242), (14, 1416121), (49, 404606), (98, 202303), (101, 196294), (202, 98147), (707, 28042), (1414, 14021), (2003, 9898), (4006, 4949)]