18305860

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1259}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 20219900

約数列:

[1, 2, 4, 5, 10, 20, 727, 1259, 1454, 2518, 2908, 3635, 5036, 6295, 7270, 12590, 14540, 25180, 915293, 1830586, 3661172, 4576465, 9152930, 18305860]

約数ペア:

[(1, 18305860), (2, 9152930), (4, 4576465), (5, 3661172), (10, 1830586), (20, 915293), (727, 25180), (1259, 14540), (1454, 12590), (2518, 7270), (2908, 6295), (3635, 5036)]