18610988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19491412

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 139, 179, 187, 278, 358, 374, 556, 716, 748, 1529, 1969, 2363, 3043, 3058, 3938, 4726, 6086, 6116, 7876, 9452, 12172, 24881, 25993, 33473, 49762, 51986, 66946, 99524, 103972, 133892, 273691, 422977, 547382, 845954, 1094764, 1691908, 4652747, 9305494, 18610988]

約数ペア:

[(1, 18610988), (2, 9305494), (4, 4652747), (11, 1691908), (17, 1094764), (22, 845954), (34, 547382), (44, 422977), (68, 273691), (139, 133892), (179, 103972), (187, 99524), (278, 66946), (358, 51986), (374, 49762), (556, 33473), (716, 25993), (748, 24881), (1529, 12172), (1969, 9452), (2363, 7876), (3043, 6116), (3058, 6086), (3938, 4726)]