16667408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 34372800

約数和(自身を除く): 17705392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 503, 872, 1006, 1744, 2012, 2071, 4024, 4142, 8048, 8284, 9557, 16568, 19114, 33136, 38228, 54827, 76456, 109654, 152912, 219308, 438616, 877232, 1041713, 2083426, 4166852, 8333704, 16667408]

約数ペア:

[(1, 16667408), (2, 8333704), (4, 4166852), (8, 2083426), (16, 1041713), (19, 877232), (38, 438616), (76, 219308), (109, 152912), (152, 109654), (218, 76456), (304, 54827), (436, 38228), (503, 33136), (872, 19114), (1006, 16568), (1744, 9557), (2012, 8284), (2071, 8048), (4024, 4142)]