20178518984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194024221}}^1$

素因数の和:194024240

約数の個数: 16

約数和(自身を含む): 40745086620

約数和(自身を除く): 20566567636

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194024221, 388048442, 776096884, 1552193768, 2522314873, 5044629746, 10089259492, 20178518984]

約数ペア:

[(1, 20178518984), (2, 10089259492), (4, 5044629746), (8, 2522314873), (13, 1552193768), (26, 776096884), (52, 388048442), (104, 194024221)]