18824468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 35595168

約数和(自身を除く): 16770700

約数列:

[1, 2, 4, 13, 26, 52, 563, 643, 1126, 1286, 2252, 2572, 7319, 8359, 14638, 16718, 29276, 33436, 362009, 724018, 1448036, 4706117, 9412234, 18824468]

約数ペア:

[(1, 18824468), (2, 9412234), (4, 4706117), (13, 1448036), (26, 724018), (52, 362009), (563, 33436), (643, 29276), (1126, 16718), (1286, 14638), (2252, 8359), (2572, 7319)]