19908056

素因数分解:

$2^3\times 7^1\times {\mathrm{355501}}^1$

素因数の和:355514

約数の個数: 16

約数和(自身を含む): 42660240

約数和(自身を除く): 22752184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 355501, 711002, 1422004, 2488507, 2844008, 4977014, 9954028, 19908056]

約数ペア:

[(1, 19908056), (2, 9954028), (4, 4977014), (7, 2844008), (8, 2488507), (14, 1422004), (28, 711002), (56, 355501)]