18798832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90379}}^1$

素因数の和:90400

約数の個数: 20

約数和(自身を含む): 39224920

約数和(自身を除く): 20426088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90379, 180758, 361516, 723032, 1174927, 1446064, 2349854, 4699708, 9399416, 18798832]

約数ペア:

[(1, 18798832), (2, 9399416), (4, 4699708), (8, 2349854), (13, 1446064), (16, 1174927), (26, 723032), (52, 361516), (104, 180758), (208, 90379)]