19657768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189017}}^1$

素因数の和:189036

約数の個数: 16

約数和(自身を含む): 39693780

約数和(自身を除く): 20036012

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189017, 378034, 756068, 1512136, 2457221, 4914442, 9828884, 19657768]

約数ペア:

[(1, 19657768), (2, 9828884), (4, 4914442), (8, 2457221), (13, 1512136), (26, 756068), (52, 378034), (104, 189017)]