18034990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4127}}^1$

素因数の和:4176

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 17630930

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4127, 4370, 8254, 20635, 41270, 78413, 94921, 156826, 189842, 392065, 474605, 784130, 949210, 1803499, 3606998, 9017495, 18034990]

約数ペア:

[(1, 18034990), (2, 9017495), (5, 3606998), (10, 1803499), (19, 949210), (23, 784130), (38, 474605), (46, 392065), (95, 189842), (115, 156826), (190, 94921), (230, 78413), (437, 41270), (874, 20635), (2185, 8254), (4127, 4370)]