18902366

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 15657634

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1249, 2162, 2498, 7567, 8743, 15134, 17486, 28727, 57454, 58703, 117406, 201089, 402178, 410921, 821842, 1350169, 2700338, 9451183, 18902366]

約数ペア:

[(1, 18902366), (2, 9451183), (7, 2700338), (14, 1350169), (23, 821842), (46, 410921), (47, 402178), (94, 201089), (161, 117406), (322, 58703), (329, 57454), (658, 28727), (1081, 17486), (1249, 15134), (2162, 8743), (2498, 7567)]