18182913

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 29126400

約数和(自身を除く): 10943487

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 409, 511, 609, 1227, 1533, 2117, 2863, 6351, 8589, 11861, 14819, 29857, 35583, 44457, 83027, 89571, 208999, 249081, 626997, 865853, 2597559, 6060971, 18182913]

約数ペア:

[(1, 18182913), (3, 6060971), (7, 2597559), (21, 865853), (29, 626997), (73, 249081), (87, 208999), (203, 89571), (219, 83027), (409, 44457), (511, 35583), (609, 29857), (1227, 14819), (1533, 11861), (2117, 8589), (2863, 6351)]