18473120

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 25435360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 439, 526, 878, 1052, 1315, 1756, 2104, 2195, 2630, 3512, 4208, 4390, 5260, 7024, 8416, 8780, 10520, 14048, 17560, 21040, 35120, 42080, 70240, 115457, 230914, 461828, 577285, 923656, 1154570, 1847312, 2309140, 3694624, 4618280, 9236560, 18473120]

約数ペア:

[(1, 18473120), (2, 9236560), (4, 4618280), (5, 3694624), (8, 2309140), (10, 1847312), (16, 1154570), (20, 923656), (32, 577285), (40, 461828), (80, 230914), (160, 115457), (263, 70240), (439, 42080), (526, 35120), (878, 21040), (1052, 17560), (1315, 14048), (1756, 10520), (2104, 8780), (2195, 8416), (2630, 7024), (3512, 5260), (4208, 4390)]