18916750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4451}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 37503648

約数和(自身を除く): 18586898

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4451, 8902, 22255, 44510, 75667, 111275, 151334, 222550, 378335, 556375, 756670, 1112750, 1891675, 3783350, 9458375, 18916750]

約数ペア:

[(1, 18916750), (2, 9458375), (5, 3783350), (10, 1891675), (17, 1112750), (25, 756670), (34, 556375), (50, 378335), (85, 222550), (125, 151334), (170, 111275), (250, 75667), (425, 44510), (850, 22255), (2125, 8902), (4250, 4451)]