18261256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3313}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 37580760

約数和(自身を除く): 19319504

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3313, 5512, 6626, 13252, 26504, 43069, 86138, 172276, 175589, 344552, 351178, 702356, 1404712, 2282657, 4565314, 9130628, 18261256]

約数ペア:

[(1, 18261256), (2, 9130628), (4, 4565314), (8, 2282657), (13, 1404712), (26, 702356), (52, 351178), (53, 344552), (104, 175589), (106, 172276), (212, 86138), (424, 43069), (689, 26504), (1378, 13252), (2756, 6626), (3313, 5512)]