18785968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40487}}^1$

素因数の和:40524

約数の個数: 20

約数和(自身を含む): 37653840

約数和(自身を除く): 18867872

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40487, 80974, 161948, 323896, 647792, 1174123, 2348246, 4696492, 9392984, 18785968]

約数ペア:

[(1, 18785968), (2, 9392984), (4, 4696492), (8, 2348246), (16, 1174123), (29, 647792), (58, 323896), (116, 161948), (232, 80974), (464, 40487)]