18969776

素因数分解:

$2^4\times 7^1\times {\mathrm{169373}}^1$

素因数の和:169388

約数の個数: 20

約数和(自身を含む): 42004752

約数和(自身を除く): 23034976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169373, 338746, 677492, 1185611, 1354984, 2371222, 2709968, 4742444, 9484888, 18969776]

約数ペア:

[(1, 18969776), (2, 9484888), (4, 4742444), (7, 2709968), (8, 2371222), (14, 1354984), (16, 1185611), (28, 677492), (56, 338746), (112, 169373)]