19727864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189691}}^1$

素因数の和:189710

約数の個数: 16

約数和(自身を含む): 39835320

約数和(自身を除く): 20107456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189691, 379382, 758764, 1517528, 2465983, 4931966, 9863932, 19727864]

約数ペア:

[(1, 19727864), (2, 9863932), (4, 4931966), (8, 2465983), (13, 1517528), (26, 758764), (52, 379382), (104, 189691)]