18318734

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10303}}^1$

素因数の和:10439

約数の個数: 16

約数和(自身を含む): 31653888

約数和(自身を除く): 13335154

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 10303, 20606, 72121, 144242, 1308481, 2616962, 9159367, 18318734]

約数ペア:

[(1, 18318734), (2, 9159367), (7, 2616962), (14, 1308481), (127, 144242), (254, 72121), (889, 20606), (1778, 10303)]