18927605

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 23362560

約数和(自身を除く): 4434955

約数列:

[1, 5, 47, 235, 239, 337, 1195, 1685, 11233, 15839, 56165, 79195, 80543, 402715, 3785521, 18927605]

約数ペア:

[(1, 18927605), (5, 3785521), (47, 402715), (235, 80543), (239, 79195), (337, 56165), (1195, 15839), (1685, 11233)]