18924560

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1033}}^1$

素因数の和:1275

約数の個数: 40

約数和(自身を含む): 44234520

約数和(自身を除く): 25309960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1033, 1145, 1832, 2066, 2290, 3664, 4132, 4580, 5165, 8264, 9160, 10330, 16528, 18320, 20660, 41320, 82640, 236557, 473114, 946228, 1182785, 1892456, 2365570, 3784912, 4731140, 9462280, 18924560]

約数ペア:

[(1, 18924560), (2, 9462280), (4, 4731140), (5, 3784912), (8, 2365570), (10, 1892456), (16, 1182785), (20, 946228), (40, 473114), (80, 236557), (229, 82640), (458, 41320), (916, 20660), (1033, 18320), (1145, 16528), (1832, 10330), (2066, 9160), (2290, 8264), (3664, 5165), (4132, 4580)]