19751888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94961}}^1$

素因数の和:94982

約数の個数: 20

約数和(自身を含む): 41213508

約数和(自身を除く): 21461620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94961, 189922, 379844, 759688, 1234493, 1519376, 2468986, 4937972, 9875944, 19751888]

約数ペア:

[(1, 19751888), (2, 9875944), (4, 4937972), (8, 2468986), (13, 1519376), (16, 1234493), (26, 759688), (52, 379844), (104, 189922), (208, 94961)]