18087982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{35747}}^1$

素因数の和:35783

約数の個数: 16

約数和(自身を含む): 30886272

約数和(自身を除く): 12798290

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 35747, 71494, 393217, 786434, 822181, 1644362, 9043991, 18087982]

約数ペア:

[(1, 18087982), (2, 9043991), (11, 1644362), (22, 822181), (23, 786434), (46, 393217), (253, 71494), (506, 35747)]