18685839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 9183345

約数列:

[1, 3, 17, 31, 51, 53, 93, 159, 223, 527, 669, 901, 1581, 1643, 2703, 3791, 4929, 6913, 11373, 11819, 20739, 27931, 35457, 83793, 117521, 200923, 352563, 366389, 602769, 1099167, 6228613, 18685839]

約数ペア:

[(1, 18685839), (3, 6228613), (17, 1099167), (31, 602769), (51, 366389), (53, 352563), (93, 200923), (159, 117521), (223, 83793), (527, 35457), (669, 27931), (901, 20739), (1581, 11819), (1643, 11373), (2703, 6913), (3791, 4929)]