18041338

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 33048576

約数和(自身を除く): 15007238

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1303, 1978, 2606, 6923, 9121, 13846, 18242, 29969, 56029, 59938, 112058, 209783, 392203, 419566, 784406, 1288667, 2577334, 9020669, 18041338]

約数ペア:

[(1, 18041338), (2, 9020669), (7, 2577334), (14, 1288667), (23, 784406), (43, 419566), (46, 392203), (86, 209783), (161, 112058), (301, 59938), (322, 56029), (602, 29969), (989, 18242), (1303, 13846), (1978, 9121), (2606, 6923)]