18642128

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40177}}^1$

素因数の和:40214

約数の個数: 20

約数和(自身を含む): 37365540

約数和(自身を除く): 18723412

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40177, 80354, 160708, 321416, 642832, 1165133, 2330266, 4660532, 9321064, 18642128]

約数ペア:

[(1, 18642128), (2, 9321064), (4, 4660532), (8, 2330266), (16, 1165133), (29, 642832), (58, 321416), (116, 160708), (232, 80354), (464, 40177)]