18456718

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 34891776

約数和(自身を除く): 16435058

約数列:

[1, 2, 7, 14, 23, 31, 43, 46, 62, 86, 161, 217, 301, 322, 434, 602, 713, 989, 1333, 1426, 1849, 1978, 2666, 3698, 4991, 6923, 9331, 9982, 12943, 13846, 18662, 25886, 30659, 42527, 57319, 61318, 85054, 114638, 214613, 297689, 401233, 429226, 595378, 802466, 1318337, 2636674, 9228359, 18456718]

約数ペア:

[(1, 18456718), (2, 9228359), (7, 2636674), (14, 1318337), (23, 802466), (31, 595378), (43, 429226), (46, 401233), (62, 297689), (86, 214613), (161, 114638), (217, 85054), (301, 61318), (322, 57319), (434, 42527), (602, 30659), (713, 25886), (989, 18662), (1333, 13846), (1426, 12943), (1849, 9982), (1978, 9331), (2666, 6923), (3698, 4991)]