18964316

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39841}}^1$

素因数の和:39869

約数の個数: 24

約数和(自身を含む): 40160736

約数和(自身を除く): 21196420

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39841, 79682, 159364, 278887, 557774, 677297, 1115548, 1354594, 2709188, 4741079, 9482158, 18964316]

約数ペア:

[(1, 18964316), (2, 9482158), (4, 4741079), (7, 2709188), (14, 1354594), (17, 1115548), (28, 677297), (34, 557774), (68, 278887), (119, 159364), (238, 79682), (476, 39841)]