19190560

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{433}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 45606456

約数和(自身を除く): 26415896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 433, 554, 866, 1108, 1385, 1732, 2165, 2216, 2770, 3464, 4330, 4432, 5540, 6928, 8660, 8864, 11080, 13856, 17320, 22160, 34640, 44320, 69280, 119941, 239882, 479764, 599705, 959528, 1199410, 1919056, 2398820, 3838112, 4797640, 9595280, 19190560]

約数ペア:

[(1, 19190560), (2, 9595280), (4, 4797640), (5, 3838112), (8, 2398820), (10, 1919056), (16, 1199410), (20, 959528), (32, 599705), (40, 479764), (80, 239882), (160, 119941), (277, 69280), (433, 44320), (554, 34640), (866, 22160), (1108, 17320), (1385, 13856), (1732, 11080), (2165, 8864), (2216, 8660), (2770, 6928), (3464, 5540), (4330, 4432)]