18758128

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40427}}^1$

素因数の和:40464

約数の個数: 20

約数和(自身を含む): 37598040

約数和(自身を除く): 18839912

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40427, 80854, 161708, 323416, 646832, 1172383, 2344766, 4689532, 9379064, 18758128]

約数ペア:

[(1, 18758128), (2, 9379064), (4, 4689532), (8, 2344766), (16, 1172383), (29, 646832), (58, 323416), (116, 161708), (232, 80854), (464, 40427)]