15872144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 32736000

約数和(自身を除く): 16863856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 479, 872, 958, 1744, 1916, 2071, 3832, 4142, 7664, 8284, 9101, 16568, 18202, 33136, 36404, 52211, 72808, 104422, 145616, 208844, 417688, 835376, 992009, 1984018, 3968036, 7936072, 15872144]

約数ペア:

[(1, 15872144), (2, 7936072), (4, 3968036), (8, 1984018), (16, 992009), (19, 835376), (38, 417688), (76, 208844), (109, 145616), (152, 104422), (218, 72808), (304, 52211), (436, 36404), (479, 33136), (872, 18202), (958, 16568), (1744, 9101), (1916, 8284), (2071, 7664), (3832, 4142)]