18242105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 29196288

約数和(自身を除く): 10954183

約数列:

[1, 5, 7, 17, 23, 31, 35, 43, 85, 115, 119, 155, 161, 215, 217, 301, 391, 527, 595, 713, 731, 805, 989, 1085, 1333, 1505, 1955, 2635, 2737, 3565, 3655, 3689, 4945, 4991, 5117, 6665, 6923, 9331, 12121, 13685, 16813, 18445, 22661, 24955, 25585, 30659, 34615, 46655, 60605, 84065, 84847, 113305, 117691, 153295, 158627, 214613, 424235, 521203, 588455, 793135, 1073065, 2606015, 3648421, 18242105]

約数ペア:

[(1, 18242105), (5, 3648421), (7, 2606015), (17, 1073065), (23, 793135), (31, 588455), (35, 521203), (43, 424235), (85, 214613), (115, 158627), (119, 153295), (155, 117691), (161, 113305), (215, 84847), (217, 84065), (301, 60605), (391, 46655), (527, 34615), (595, 30659), (713, 25585), (731, 24955), (805, 22661), (989, 18445), (1085, 16813), (1333, 13685), (1505, 12121), (1955, 9331), (2635, 6923), (2737, 6665), (3565, 5117), (3655, 4991), (3689, 4945)]