18662982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 42771456

約数和(自身を除く): 24108474

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 101, 103, 138, 202, 206, 299, 303, 309, 598, 606, 618, 897, 1313, 1339, 1794, 2323, 2369, 2626, 2678, 3939, 4017, 4646, 4738, 6969, 7107, 7878, 8034, 10403, 13938, 14214, 20806, 30199, 30797, 31209, 60398, 61594, 62418, 90597, 92391, 135239, 181194, 184782, 239269, 270478, 405717, 478538, 717807, 811434, 1435614, 3110497, 6220994, 9331491, 18662982]

約数ペア:

[(1, 18662982), (2, 9331491), (3, 6220994), (6, 3110497), (13, 1435614), (23, 811434), (26, 717807), (39, 478538), (46, 405717), (69, 270478), (78, 239269), (101, 184782), (103, 181194), (138, 135239), (202, 92391), (206, 90597), (299, 62418), (303, 61594), (309, 60398), (598, 31209), (606, 30797), (618, 30199), (897, 20806), (1313, 14214), (1339, 13938), (1794, 10403), (2323, 8034), (2369, 7878), (2626, 7107), (2678, 6969), (3939, 4738), (4017, 4646)]