18112390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 15635450

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 433, 445, 470, 866, 890, 2165, 4183, 4330, 8366, 20351, 20915, 38537, 40702, 41830, 77074, 101755, 192685, 203510, 385370, 1811239, 3622478, 9056195, 18112390]

約数ペア:

[(1, 18112390), (2, 9056195), (5, 3622478), (10, 1811239), (47, 385370), (89, 203510), (94, 192685), (178, 101755), (235, 77074), (433, 41830), (445, 40702), (470, 38537), (866, 20915), (890, 20351), (2165, 8366), (4183, 4330)]