18921068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4153}}^1$

素因数の和:4241

約数の個数: 24

約数和(自身を含む): 35591472

約数和(自身を除く): 16670404

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4153, 4556, 8306, 16612, 70601, 141202, 278251, 282404, 556502, 1113004, 4730267, 9460534, 18921068]

約数ペア:

[(1, 18921068), (2, 9460534), (4, 4730267), (17, 1113004), (34, 556502), (67, 282404), (68, 278251), (134, 141202), (268, 70601), (1139, 16612), (2278, 8306), (4153, 4556)]