16718680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37997}}^1$

素因数の和:38019

約数の個数: 32

約数和(自身を含む): 41037840

約数和(自身を除く): 24319160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 37997, 75994, 151988, 189985, 303976, 379970, 417967, 759940, 835934, 1519880, 1671868, 2089835, 3343736, 4179670, 8359340, 16718680]

約数ペア:

[(1, 16718680), (2, 8359340), (4, 4179670), (5, 3343736), (8, 2089835), (10, 1671868), (11, 1519880), (20, 835934), (22, 759940), (40, 417967), (44, 379970), (55, 303976), (88, 189985), (110, 151988), (220, 75994), (440, 37997)]